Typo correction in README.md

Star messages

Conflicts:
	client/views/app/message.html

Fix translations

adding octicons for the right tab pane

Improving validation for Direct Message creation

Prevents editing a message if there is any content in the input.

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Chatops package

Relevant information change for #1000

Ability to hide a starred room / hiding sideNav "Favorites" section based on items

Fixes #942. Use relative url for avatars.

Webrtc