Require admin role to send emails to users.

fix tableflip emoji

the tableflip emoji does not start with U+00AF(¯), only the shrug
emoji does.

Also removed the macron from the descriptions in the translations.

revert i18n

Add option to accept livechats even if no agents online

Add eslint to travis

Fix slackbridge calling setUserActiveStatus as normal user

* fix video message button always shown while typing

* fix exception when closing videomsg dialog if video wasn't started

* fix typo in code enabling video message feature

New page to see the current livechat queue

New livechat API setTheme

LingoHub based on develop

Manual push by LingoHub User: Gabriel Engel.
Project: Rocket.Chat

Made with  by https://lingohub.com

Version 1.x.x was being used and it's not working right.

Fix tabbar icon positioning in Firefox

ctrl key and alt key to insert newline

Fix emojione cache

Update emojione sprite and emoji picker

Livechat fixes and improvements