Fix color issues

Allow simpler pinning/unpinning via the methods, only require _id & rid

Start running tests in travis

Conflicts:
	tests/steps/0-login.js

and cleaned some comments in the start script

and cleaned some comments in the start script

LingoHub based on develop

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

Made with ❤ by https://lingohub.com

Fixed code that checks for empty object

No longer allow invisible agents get livechats

Inject meta tag via Inject.rawHead (Fix #5075)