forgot app.js when globally streamlined the use of " vs. ' for marking strings
patch in grunt-contrib-jade not necessary anymore
forgot some more files when globally streamlined the use of " vs. ' for marking strings
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
Added example config file for images microservice
Added images config file to configure.js
Added stub for imagerepositoryAPI and test for directory from nconf