Preparing release v0.6.1
Fix for crash isse #27.

Since the RecoveryTimerManager has been added the app crashed on Android 2.X.
Guess this is the reason for some 1 star Play Store reviews.
Merge branch 'create-custom-exercises'
Preparing release 0.6.2

Important Bugfix that fixes crash on Android 2.x
Bugfix for issue #28.

Since the API changed the image licenses cannot be parsed anymore.
This commit fixes the error by skipping the parsing of the license,
a real bugfix will follow soon.
Added license for FancyCoverFlow.
Final bugfix for issue #28.

Retrieving the license information of images works again.
Fixed testsuite build.
Added a custom spinner class.

The original spinner does not fire the onItemSelected event if the item did not change.
Merge branch 'master' into create-custom-exercises