Merge branch 'rocketchat-channel-settings' of https://github.com/ggazzo/Rocket.Chat into rocketchat-channel-settings

Include [NEW], [FIX] and [BREAK] tags instruction on pull request template

[NEW] Two Factor Auth

* When retrying an outgoing integration, verify it's enabled first.

* Fix the auto-merge fail from git, the fix moved up to the correct place

* Convert theme package to js [W.I.P]

* update server.js

* remove coffee files and update some js

* fix for the requested changes

* use default value and get back if perist

* conversion coffee to js

* removed coffee files

* Update server.js

* converted rocketchat-integrations coffee to js

* fix

* fix lint and suggestions

Clipboard [Firefox version < 50]

Convert ui-vrecord Package to JS

converted slashcommands-mute coffee to js

Convert Version Package to JS

Convert Ui-Master Package to Js

converted messageAttachment coffee to js

Convert File Package to js

Create groups.addAll endpoint and add activeUsersOnly param.

New feature: Room announcement

converted slashcommand-me coffee to js

converted slashcommand-join coffee to js

converted slashcommand-leave coffee to js

convert mapview package to js

converted getAvatarUrlFromUsername

converted slashcommand-invite coffee to js