Now test begins when transition from card to card is completed
Solved the bug that shows erroneous thumbsUp and thumbsDown button in TestCard
Test Length now controlled inside VerbsStore. Test Types sorted alphabetically.
Progressview position and size changed to more efficient use of 3.5 displays
New UIPageViewController for test mode. The old now can be deleted when history becomes a tableview
Extracted the PreferencesViewController UI to a XIB
Test Time persisted in configuration by Refeere and exposed to the user via preferences
Merge branch 'refs/heads/oswaldo'
Merge remote-tracking branch 'rbarbera/master'

Conflicts:
	IrregularVerbs/HomeViewController.xib