Merge pull request #1379 from RocketChat/livechat-migration-to-ecma-2015

client/startup/defaultRoomTypes.coffee

client/views/app/sideNav/chatRoomItem.coffee

packages/rocketchat-lib/lib/roomTypes.coffee

...livechat/app/client/lib/fromApp/RoomHistoryManager.coffee

.../rocketchat-livechat/app/client/lib/fromApp/avatar.coffee

packages/rocketchat-livechat/client/route.js

packages/rocketchat-livechat/client/ui.js

...es/rocketchat-livechat/client/views/sideNav/livechat.html

...ages/rocketchat-livechat/client/views/sideNav/livechat.js

packages/rocketchat-livechat/livechat.js

packages/rocketchat-livechat/methods.coffee

packages/rocketchat-livechat/package.js

packages/rocketchat-livechat/permissions.js

packages/rocketchat-livechat/publications.coffee

packages/rocketchat-livechat/server/methods.js

packages/rocketchat-livechat/server/startup.js