Upgrade emoji support (#1482)

* Upgrade emoji deps and move to node_modules

Add support for Emoji 3.0 and switch from bower to yarn for managing emoji
dependencies.

// FREEBIE

* Delete old emoji deps

// FREEBIE

* Don't copy emoji on windows

It is no longer necessary since the symlinked image dir is gone.

// FREEBIE

* Update emoji test

// FREEBIE

* Fix emoji tests; remove all overrides of emoji-js functions

FREEBIE

appveyor.yml

@@ -13,9 +13,6 @@ install:
 
 build_script:
   - yarn run icon-gen
-  - del /f images\emoji\apple
-  - mkdir images\emoji\apple
-  - xcopy /Q components\emojidata\img-apple-64 images\emoji\apple
   - node build\grunt.js
   - node_modules\.bin\build --em.environment=%SIGNAL_ENV% --publish=never
 

bower.json

@@ -17,8 +17,6 @@
     "intl-tel-input": "~4.0.1",
     "blueimp-load-image": "~1.13.0",
     "blueimp-canvas-to-blob": "~2.1.1",
-    "emojijs": "https://github.com/iamcal/js-emoji.git",
-    "emojidata": "https://github.com/iamcal/emoji-data.git",
     "autosize": "~3.0.6",
     "webaudiorecorder": "https://github.com/higuma/web-audio-recorder-js.git",
     "mp3lameencoder": "https://github.com/higuma/mp3-lame-encoder-js.git",
@@ -122,7 +120,6 @@
       "backbone.typeahead",
       "blueimp-load-image",
       "blueimp-canvas-to-blob",
-      "emojijs",
       "autosize",
       "filesize"
     ],