reinserted function that was needed and mistakenly deleted by myself
formatting
Merge pull request #714 from leider/hotfix

Hotfix for broken gravater popup
Update README.md

The Vagrantfile relies on Vagrantcloud.com boxes which is a rather new feature.
Removed some clones (thanks to Teamscale)
Removed some more clones (that I found without Teamscale :-)
Oops, no 'this' in functions that are passed as parameters
Removed groupsAPI method getGroup, now we directly use groupstore instead.
Tests for the validate function in misc.
Tests for /groups/checkemailprefix
Tests for /checkurl in activities and announcements.
Moved the argument trimming into the validate function, added tests.
Merge pull request #715 from NicoleRauch/master

Removed clones, unified validation, added tests.
Updated README.md - clarified cloning and forking
Exported settings for Webstorm 8.
Directly included .idea folder with Webstorm 8 settings (instead of settings export).
Added run configurations for individual tests.
We also want Agora.iml.
Merge commit '68c4e1ece2ff375a74d94891b64a03a93c7e8ba2'
we should have only a relative location for the node binary