diff --git a/gulpfile.js b/gulpfile.js
index 426ea8cc2..e90e7bad4 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -5,12 +5,11 @@ var gulp = require('gulp'),
     path = require('path'),
     slash = require('gulp-slash'),
     clipEmptyFiles = require('gulp-clip-empty-files'),
-    gutil = require('gulp-util'),
+    File = require('vinyl'),
     flatten = require('gulp-flatten'),
     npmPath = require('path'),
     concat = require('gulp-concat'),
     bufferFrom = require('buffer-from')
-    File = gutil.File,
     exec = require('child_process').exec,
     license = '' +
         '// (C) Copyright 2015 Moodle Pty Ltd.\n' +
diff --git a/package-lock.json b/package-lock.json
index 4f44b8353..7ef6c03be 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "moodlemobile",
-  "version": "3.8.0",
+  "version": "3.8.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -503,7 +503,8 @@
             "ansi-regex": {
               "version": "2.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "aproba": {
               "version": "1.2.0",
@@ -524,12 +525,14 @@
             "balanced-match": {
               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "brace-expansion": {
               "version": "1.1.11",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "balanced-match": "^1.0.0",
                 "concat-map": "0.0.1"
@@ -544,17 +547,20 @@
             "code-point-at": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "concat-map": {
               "version": "0.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "console-control-strings": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "core-util-is": {
               "version": "1.0.2",
@@ -671,7 +677,8 @@
             "inherits": {
               "version": "2.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "ini": {
               "version": "1.3.5",
@@ -683,6 +690,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -697,6 +705,7 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
@@ -704,12 +713,14 @@
             "minimist": {
               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "minipass": {
               "version": "2.3.5",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
@@ -728,6 +739,7 @@
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -808,7 +820,8 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "object-assign": {
               "version": "4.1.1",
@@ -820,6 +833,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -905,7 +919,8 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "safer-buffer": {
               "version": "2.1.2",
@@ -941,6 +956,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -960,6 +976,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
               }
@@ -1003,12 +1020,14 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "yallist": {
               "version": "3.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -1516,12 +1535,6 @@
       "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
       "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ="
     },
-    "array-differ": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/array-differ/-/array-differ-1.0.0.tgz",
-      "integrity": "sha1-7/UuN1gknTO+QCuLuOVkuytdQDE=",
-      "dev": true
-    },
     "array-each": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/array-each/-/array-each-1.0.1.tgz",
@@ -1893,12 +1906,6 @@
         "tweetnacl": "^0.14.3"
       }
     },
-    "beeper": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/beeper/-/beeper-1.1.1.tgz",
-      "integrity": "sha1-5tXqjF2tABMEpwsiY4RH9pyy+Ak=",
-      "dev": true
-    },
     "big-integer": {
       "version": "1.6.44",
       "resolved": "https://registry.npmjs.org/big-integer/-/big-integer-1.6.44.tgz",
@@ -2555,9 +2562,9 @@
       "dev": true
     },
     "cloneable-readable": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/cloneable-readable/-/cloneable-readable-1.1.2.tgz",
-      "integrity": "sha512-Bq6+4t+lbM8vhTs/Bef5c5AdEMtapp/iFb6+s4/Hh9MVTt8OLKH7ZOOZSCT+Ys7hsHvqv0GuMPJ1lnQJVHvxpg==",
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/cloneable-readable/-/cloneable-readable-1.1.3.tgz",
+      "integrity": "sha512-2EF8zTQOxYq70Y4XKtorQupqF0m49MBz2/yf5Bj+MHjvpG3Hy7sImifnqD6UA+TKYxeSV+u6qqQPawN5UvnpKQ==",
       "dev": true,
       "requires": {
         "inherits": "^2.0.1",
@@ -3162,7 +3169,7 @@
       "integrity": "sha512-6ucQ6FdlLdBm8kJfFnzozmBTjru/0xekHP/dAhjoCZggkGRlgs8TsUJFkxa/bV+qi7Dlo50JjmpE4UMWAO+aOQ=="
     },
     "cordova-plugin-local-notification": {
-      "version": "git+https://github.com/moodlemobile/cordova-plugin-local-notification.git#c7430c4f4f8b8c82d051aea49d87da0b4f6a8b1e",
+      "version": "git+https://github.com/moodlemobile/cordova-plugin-local-notification.git#5b2f3073a1c1fb39cad3566be792445c343db2c6",
       "from": "git+https://github.com/moodlemobile/cordova-plugin-local-notification.git#moodle"
     },
     "cordova-plugin-media-capture": {
@@ -3357,12 +3364,6 @@
       "integrity": "sha1-6vQ5/U1ISK105cx9vvIAZyueNFs=",
       "dev": true
     },
-    "dateformat": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/dateformat/-/dateformat-2.2.0.tgz",
-      "integrity": "sha1-QGXiATz5+5Ft39gu+1Bq1MZ2kGI=",
-      "dev": true
-    },
     "debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -3652,41 +3653,6 @@
         "dotenv-defaults": "^1.0.2"
       }
     },
-    "duplexer2": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/duplexer2/-/duplexer2-0.0.2.tgz",
-      "integrity": "sha1-xhTc9n4vsUmVqRcR5aYX6KYKMds=",
-      "dev": true,
-      "requires": {
-        "readable-stream": "~1.1.9"
-      },
-      "dependencies": {
-        "isarray": {
-          "version": "0.0.1",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "1.1.14",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
-          "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
-          "dev": true,
-          "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.1",
-            "isarray": "0.0.1",
-            "string_decoder": "~0.10.x"
-          }
-        },
-        "string_decoder": {
-          "version": "0.10.31",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-          "dev": true
-        }
-      }
-    },
     "duplexer3": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/duplexer3/-/duplexer3-0.1.4.tgz",
@@ -5224,7 +5190,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -5242,11 +5209,13 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -5259,15 +5228,18 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -5370,7 +5342,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -5380,6 +5353,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -5392,17 +5366,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -5419,6 +5396,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -5497,7 +5475,8 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -5507,6 +5486,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -5582,7 +5562,8 @@
         },
         "safe-buffer": {
           "version": "5.1.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -5612,6 +5593,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -5629,6 +5611,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -5667,11 +5650,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },
@@ -6098,7 +6083,8 @@
             "ansi-regex": {
               "version": "2.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "aproba": {
               "version": "1.2.0",
@@ -6119,12 +6105,14 @@
             "balanced-match": {
               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "brace-expansion": {
               "version": "1.1.11",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "balanced-match": "^1.0.0",
                 "concat-map": "0.0.1"
@@ -6139,17 +6127,20 @@
             "code-point-at": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "concat-map": {
               "version": "0.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "console-control-strings": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "core-util-is": {
               "version": "1.0.2",
@@ -6266,7 +6257,8 @@
             "inherits": {
               "version": "2.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "ini": {
               "version": "1.3.5",
@@ -6278,6 +6270,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -6292,6 +6285,7 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
@@ -6299,12 +6293,14 @@
             "minimist": {
               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "minipass": {
               "version": "2.3.5",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
@@ -6323,6 +6319,7 @@
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -6403,7 +6400,8 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "object-assign": {
               "version": "4.1.1",
@@ -6415,6 +6413,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -6500,7 +6499,8 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "safer-buffer": {
               "version": "2.1.2",
@@ -6536,6 +6536,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -6555,6 +6556,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
               }
@@ -6598,12 +6600,14 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "yallist": {
               "version": "3.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -6824,9 +6828,9 @@
       }
     },
     "globule": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/globule/-/globule-1.2.1.tgz",
-      "integrity": "sha512-g7QtgWF4uYSL5/dn71WxubOrS7JVGCnFPEnoeChJmBnyR9Mw8nGoEwOgJL/RC2Te0WhbsEUCejfH8SZNJ+adYQ==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/globule/-/globule-1.3.0.tgz",
+      "integrity": "sha512-YlD4kdMqRCQHrhVdonet4TdRtv1/sZKepvoxNT4Nrhrp5HI8XFfc8kFlGlBn2myBo80aGp8Eft259mbcUJhgSg==",
       "dev": true,
       "requires": {
         "glob": "~7.1.1",
@@ -7000,121 +7004,6 @@
         }
       }
     },
-    "gulp-util": {
-      "version": "3.0.8",
-      "resolved": "https://registry.npmjs.org/gulp-util/-/gulp-util-3.0.8.tgz",
-      "integrity": "sha1-AFTh50RQLifATBh8PsxQXdVLu08=",
-      "dev": true,
-      "requires": {
-        "array-differ": "^1.0.0",
-        "array-uniq": "^1.0.2",
-        "beeper": "^1.0.0",
-        "chalk": "^1.0.0",
-        "dateformat": "^2.0.0",
-        "fancy-log": "^1.1.0",
-        "gulplog": "^1.0.0",
-        "has-gulplog": "^0.1.0",
-        "lodash._reescape": "^3.0.0",
-        "lodash._reevaluate": "^3.0.0",
-        "lodash._reinterpolate": "^3.0.0",
-        "lodash.template": "^3.0.0",
-        "minimist": "^1.1.0",
-        "multipipe": "^0.1.2",
-        "object-assign": "^3.0.0",
-        "replace-ext": "0.0.1",
-        "through2": "^2.0.0",
-        "vinyl": "^0.5.0"
-      },
-      "dependencies": {
-        "ansi-styles": {
-          "version": "2.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-          "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-          "dev": true
-        },
-        "chalk": {
-          "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-          "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^2.2.1",
-            "escape-string-regexp": "^1.0.2",
-            "has-ansi": "^2.0.0",
-            "strip-ansi": "^3.0.0",
-            "supports-color": "^2.0.0"
-          }
-        },
-        "clone": {
-          "version": "1.0.4",
-          "resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
-          "integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4=",
-          "dev": true
-        },
-        "clone-stats": {
-          "version": "0.0.1",
-          "resolved": "https://registry.npmjs.org/clone-stats/-/clone-stats-0.0.1.tgz",
-          "integrity": "sha1-uI+UqCzzi4eR1YBG6kAprYjKmdE=",
-          "dev": true
-        },
-        "lodash.template": {
-          "version": "3.6.2",
-          "resolved": "https://registry.npmjs.org/lodash.template/-/lodash.template-3.6.2.tgz",
-          "integrity": "sha1-+M3sxhaaJVvpCYrosMU9N4kx0U8=",
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@@ -7183,15 +7072,6 @@
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@@ -8266,121 +8146,23 @@
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-      "resolved": "https://registry.npmjs.org/lodash._basecopy/-/lodash._basecopy-3.0.1.tgz",
-      "integrity": "sha1-jaDmqHbPNEwK2KVIghEd08XHyjY=",
-      "dev": true
-    },
-    "lodash._basetostring": {
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-      "resolved": "https://registry.npmjs.org/lodash._basetostring/-/lodash._basetostring-3.0.1.tgz",
-      "integrity": "sha1-0YYdh3+CSlL2aYMtyvPuFVZqB9U=",
-      "dev": true
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-    "lodash._basevalues": {
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-      "resolved": "https://registry.npmjs.org/lodash._basevalues/-/lodash._basevalues-3.0.0.tgz",
-      "integrity": "sha1-W3dXYoAr3j0yl1A+JjAIIP32Ybc=",
-      "dev": true
-    },
-    "lodash._getnative": {
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-      "resolved": "https://registry.npmjs.org/lodash._getnative/-/lodash._getnative-3.9.1.tgz",
-      "integrity": "sha1-VwvH3t5G1hzc3mh9ZdPuy6o6r/U=",
-      "dev": true
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-    "lodash._isiterateecall": {
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-      "resolved": "https://registry.npmjs.org/lodash._isiterateecall/-/lodash._isiterateecall-3.0.9.tgz",
-      "integrity": "sha1-UgOte6Ql+uhCRg5pbbnPPmqsBXw=",
-      "dev": true
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-    "lodash._reescape": {
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-      "resolved": "https://registry.npmjs.org/lodash._reescape/-/lodash._reescape-3.0.0.tgz",
-      "integrity": "sha1-Kx1vXf4HyKNVdT5fJ/rH8c3hYWo=",
-      "dev": true
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-    "lodash._reevaluate": {
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-      "resolved": "https://registry.npmjs.org/lodash._reevaluate/-/lodash._reevaluate-3.0.0.tgz",
-      "integrity": "sha1-WLx0xAZklTrgsSTYBpltrKQx4u0=",
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     "lodash._reinterpolate": {
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       "resolved": "https://registry.npmjs.org/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz",
       "integrity": "sha1-DM8tiRZq8Ds2Y8eWU4t1rG4RTZ0=",
       "dev": true
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-      "resolved": "https://registry.npmjs.org/lodash._root/-/lodash._root-3.0.1.tgz",
-      "integrity": "sha1-+6HEUkwZ7ppfgTa0YJ8BfPTe1pI=",
-      "dev": true
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     "lodash.assign": {
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       "resolved": "https://registry.npmjs.org/lodash.assign/-/lodash.assign-4.2.0.tgz",
       "integrity": "sha1-DZnzzNem0mHRm9rrkkUAXShYCOc=",
       "dev": true
     },
-    "lodash.clonedeep": {
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-      "resolved": "https://registry.npmjs.org/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz",
-      "integrity": "sha1-4j8/nE+Pvd6HJSnBBxhXoIblzO8=",
-      "dev": true
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     "lodash.debounce": {
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       "resolved": "https://registry.npmjs.org/lodash.debounce/-/lodash.debounce-4.0.8.tgz",
       "integrity": "sha1-gteb/zCmfEAF/9XiUVMArZyk168="
     },
-    "lodash.escape": {
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-      "resolved": "https://registry.npmjs.org/lodash.escape/-/lodash.escape-3.2.0.tgz",
-      "integrity": "sha1-mV7g3BjBtIzJLv+ucaEKq1tIdpg=",
-      "dev": true,
-      "requires": {
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-    },
-    "lodash.isarguments": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz",
-      "integrity": "sha1-L1c9hcaiQon/AGY7SRwdM4/zRYo=",
-      "dev": true
-    },
-    "lodash.isarray": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/lodash.isarray/-/lodash.isarray-3.0.4.tgz",
-      "integrity": "sha1-eeTriMNqgSKvhvhEqpvNhRtfu1U=",
-      "dev": true
-    },
-    "lodash.keys": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npmjs.org/lodash.keys/-/lodash.keys-3.1.2.tgz",
-      "integrity": "sha1-TbwEcrFWvlCgsoaFXRvQsMZWCYo=",
-      "dev": true,
-      "requires": {
-        "lodash._getnative": "^3.0.0",
-        "lodash.isarguments": "^3.0.0",
-        "lodash.isarray": "^3.0.0"
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-    },
-    "lodash.mergewith": {
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-      "resolved": "https://registry.npmjs.org/lodash.mergewith/-/lodash.mergewith-4.6.2.tgz",
-      "integrity": "sha512-GK3g5RPZWTRSeLSpgP8Xhra+pnjBC56q9FZYe1d5RN3TJ35dbkGy3YqBSMbyCrlbi+CM9Z3Jk5yTL7RCsqboyQ==",
-      "dev": true
-    },
-    "lodash.restparam": {
-      "version": "3.6.1",
-      "resolved": "https://registry.npmjs.org/lodash.restparam/-/lodash.restparam-3.6.1.tgz",
-      "integrity": "sha1-k2pOMJ7zMKdkXtQUWYbIWuWyCAU=",
-      "dev": true
-    },
     "lodash.template": {
       "version": "4.5.0",
       "resolved": "https://registry.npmjs.org/lodash.template/-/lodash.template-4.5.0.tgz",
@@ -9025,15 +8807,6 @@
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       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
-    "multipipe": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/multipipe/-/multipipe-0.1.2.tgz",
-      "integrity": "sha1-Ko8t33Du1WTf8tV/HhoTfZ8FB4s=",
-      "dev": true,
-      "requires": {
-        "duplexer2": "0.0.2"
-      }
-    },
     "mute-stdout": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/mute-stdout/-/mute-stdout-1.0.1.tgz",
@@ -9049,7 +8822,8 @@
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       "resolved": "https://registry.npmjs.org/nan/-/nan-2.10.0.tgz",
       "integrity": "sha512-bAdJv7fBLhWC+/Bls0Oza+mvTaNQtP+1RyhhhvD95pgUJz6XM5IzgmxOkItJ9tkoCiplvAnXI1tNmmUD/eScyA==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "nanomatch": {
       "version": "1.2.9",
@@ -9357,9 +9131,9 @@
       "dev": true
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     "node-sass": {
-      "version": "4.11.0",
-      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.11.0.tgz",
-      "integrity": "sha512-bHUdHTphgQJZaF1LASx0kAviPH7sGlcyNhWade4eVIpFp6tsn7SV8xNMTbsQFpEV9VXpnwTTnNYlfsZXgGgmkA==",
+      "version": "4.13.1",
+      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.13.1.tgz",
+      "integrity": "sha512-TTWFx+ZhyDx1Biiez2nB0L3YrCZ/8oHagaDalbuBSlqXgUPsdkUSzJsVxeDO9LtPB49+Fh3WQl3slABo6AotNw==",
       "dev": true,
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@@ -9369,12 +9143,10 @@
         "get-stdin": "^4.0.1",
         "glob": "^7.0.3",
         "in-publish": "^2.0.0",
-        "lodash.assign": "^4.2.0",
-        "lodash.clonedeep": "^4.3.2",
-        "lodash.mergewith": "^4.6.0",
+        "lodash": "^4.17.15",
         "meow": "^3.7.0",
         "mkdirp": "^0.5.1",
-        "nan": "^2.10.0",
+        "nan": "^2.13.2",
         "node-gyp": "^3.8.0",
         "npmlog": "^4.0.0",
         "request": "^2.88.0",
@@ -9412,6 +9184,12 @@
             "which": "^1.2.9"
           }
         },
+        "nan": {
+          "version": "2.14.0",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
+          "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
+          "dev": true
+        },
         "supports-color": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
@@ -10008,7 +9786,7 @@
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     },
     "phonegap-plugin-push": {
-      "version": "git+https://github.com/moodlemobile/phonegap-plugin-push.git#cb332d5ec8a1a0d43916fc6d35455fe6bea7a7f9",
+      "version": "git+https://github.com/moodlemobile/phonegap-plugin-push.git#cf8101e86adb774ae1d7ad6b65fb9d8802673f4b",
       "from": "git+https://github.com/moodlemobile/phonegap-plugin-push.git#moodle-v3",
       "requires": {
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@@ -12888,7 +12666,8 @@
             "ansi-regex": {
               "version": "2.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "aproba": {
               "version": "1.2.0",
@@ -12909,12 +12688,14 @@
             "balanced-match": {
               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "brace-expansion": {
               "version": "1.1.11",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "balanced-match": "^1.0.0",
                 "concat-map": "0.0.1"
@@ -12929,17 +12710,20 @@
             "code-point-at": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "concat-map": {
               "version": "0.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "console-control-strings": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "core-util-is": {
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@@ -13056,7 +12840,8 @@
             "inherits": {
               "version": "2.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "ini": {
               "version": "1.3.5",
@@ -13068,6 +12853,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -13082,6 +12868,7 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
@@ -13089,12 +12876,14 @@
             "minimist": {
               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "minipass": {
               "version": "2.3.5",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
@@ -13113,6 +12902,7 @@
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -13193,7 +12983,8 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "object-assign": {
               "version": "4.1.1",
@@ -13205,6 +12996,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -13290,7 +13082,8 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "safer-buffer": {
               "version": "2.1.2",
@@ -13326,6 +13119,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -13345,6 +13139,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
               }
@@ -13388,12 +13183,14 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "yallist": {
               "version": "3.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
diff --git a/package.json b/package.json
index 289deecf9..cdaa5901b 100644
--- a/package.json
+++ b/package.json
@@ -135,11 +135,11 @@
     "gulp-flatten": "^0.4.0",
     "gulp-rename": "^1.3.0",
     "gulp-slash": "^1.1.3",
-    "gulp-util": "^3.0.8",
     "lodash.template": "^4.5.0",
     "node-loader": "^0.6.0",
     "through": "^2.3.8",
     "typescript": "^2.6.2",
+    "vinyl": "^2.2.0",
     "webpack-merge": "^4.1.2"
   },
   "browser": {