Added error message when redirecting to activities/edit
Merge commit '8c77c61e6c34f6a9a67cca215176f48d18238c01'
Merge commit '7b1190eea4cf2f885f380224c3721a9a5273635b'
Merge pull request #590 from leider/master

fixed minor display oddness on small devices
Now our test-app is equipped with a session -> tests now work even when a statusmessage is created (and added to the session...) in production code.
Merge commit '6b539bd9c9f289956a2f0a03bc59919813aba643'
Merge pull request #591 from NicoleRauch/master

Fehlermeldung beim Speicherkonflikt während der Bearbeitung einer Activity
The order of the resources is now fixed.
Rewrote the installation instructions. Added information for Windows 8 / VS 2012.
Bugfix: For multiple resources, checkboxes don't work because only checked boxes send their value to the backend. Solution: Switch to select dropdowns that send "yes" or "no" depending on which entry is chosen.
Minor cleanup of resources.
agora.css is now called agora.less.
Only fillFromUI imposes an order on the resources.
Merge pull request #592 from NicoleRauch/master

Activities
removed timeFormat from full calendar configuration to hide it in the events' display