Add es6-shim as polyfill and minify underscore.js

Signed-off-by: Julius Härtl <jus@bitgrid.net>

bower.json

@@ -20,7 +20,6 @@
     "bootstrap": "3.3.7",
     "clipboard": "1.7.1",
     "davclient.js": "https://github.com/evert/davclient.js.git#0.1.2",
-    "es6-promise": "https://github.com/jakearchibald/es6-promise.git#2.3.0",
     "handlebars": "4.0.5",
     "jcrop": "0.9.12",
     "jquery": "2.1.4",
@@ -33,6 +32,7 @@
     "snapjs": "2.0.0-rc1",
     "strengthify": "0.5.5",
     "underscore": "1.8.3",
-    "zxcvbn": "4.4.2"
+    "zxcvbn": "4.4.2",
+    "es6-shim": "^0.35.4"
   }
 }

core/js/core.json

@@ -3,13 +3,13 @@
 		"jquery/dist/jquery.min.js",
 		"jquery-migrate/jquery-migrate.min.js",
 		"jquery-ui/ui/minified/jquery-ui.custom.min.js",
-		"underscore/underscore.js",
+		"underscore/underscore-min.js",
 		"moment/min/moment-with-locales.min.js",
 		"handlebars/handlebars.min.js",
 		"blueimp-md5/js/md5.min.js",
 		"bootstrap/js/tooltip.js",
 		"backbone/backbone.js",
-		"es6-promise/dist/es6-promise.js",
+		"es6-shim/es6-shim.min.js",
 		"davclient.js/lib/client.js",
 		"clipboard/dist/clipboard.min.js",
 		"autosize/dist/autosize.min.js",

core/vendor/.gitignore

@@ -16,7 +16,7 @@ README*
 # underscore
 underscore/**
 !underscore/.bower.json
-!underscore/underscore.js
+!underscore/underscore-min.js
 !underscore/LICENSE
 
 # blueimp-md5
@@ -135,13 +135,11 @@ davclient.js/**
 !davclient.js/lib/client.js
 !davclient.js/LICENSE
 
-# es6-promise
-es6-promise/**
-!es6-promise/.bower.json
-!es6-promise/LICENSE
-!es6-promise/dist
-es6-promise/dist/*
-!es6-promise/dist/es6-promise.js
+# es6-shim
+es6-shim/**
+!es6-shim/.bower.json
+!es6-shim/LICENSE
+!es6-shim/es6-shim.min.js
 
 # base64
 base64/*min.js

core/vendor/es6-shim/.bower.json

@@ -0,0 +1,40 @@
+{
+  "name": "es6-shim",
+  "repo": "paulmillr/es6-shim",
+  "description": "ECMAScript 6 (Harmony) compatibility shims for legacy JavaScript engines",
+  "keywords": [
+    "ecmascript",
+    "harmony",
+    "es6",
+    "shim",
+    "promise",
+    "promises",
+    "setPrototypeOf",
+    "map",
+    "set",
+    "__proto__"
+  ],
+  "main": "es6-shim.js",
+  "scripts": [
+    "es6-shim.js"
+  ],
+  "dependencies": {},
+  "development": {},
+  "ignore": [
+    "**/.*",
+    "node_modules",
+    "components",
+    "test"
+  ],
+  "homepage": "https://github.com/paulmillr/es6-shim",
+  "version": "0.35.4",
+  "_release": "0.35.4",
+  "_resolution": {
+    "type": "version",
+    "tag": "0.35.4",
+    "commit": "271142ca5c58b7bfec6970b1c070515da0d8ef98"
+  },
+  "_source": "https://github.com/paulmillr/es6-shim.git",
+  "_target": "^0.35.4",
+  "_originalSource": "es6-shim"
+}

core/vendor/es6-shim/LICENSE

@@ -0,0 +1,26 @@
+The project was initially based on [es6-shim by Axel Rauschmayer](https://github.com/rauschma/es6-shim).
+
+Current maintainers are: [Paul Miller](http://paulmillr.com), [Jordan Harband](https://github.com/ljharb), and [C. Scott Ananian](http://cscott.net).
+
+The MIT License (MIT)
+
+Copyright (c) 2013-2016 Paul Miller (http://paulmillr.com) and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+