Enabled 'un-star' message option in the right tab bar

Github Enterprise: Fixing addFiles order to make sure settings are added first.

Added oEmbed video support

Fixed #1140 added ascii emoji to autocomplete and sorted them

Added some styling for files list.

Fix typos in Readme.md

Small typo and grammatical fix

Improve german i18n

Improve image oembed

Fixing Markdown regex for image support

sort packages

Change messagePopup regex to accept all non-whitespace

Added settings for file upload type and size limit

Create spotify client unit tests

SoundCloud embed widget integration

Announce chat-ops early access

Currently does not support *group* embed widget (like https://soundcloud.com/groups/made-with-ableton-live)

Fix #1117 - Display Meteor package version information