clean code and removed audio from Dial
Merge branch 'master' of https://github.com/rbarbera/irregularverbs

Conflicts:
	IrregularVerbs/AppDelegate.m
	IrregularVerbs/HomeViewController.m
Merge pull request #41 from rbarbera/master

Test selection screen UI unified
merge corrections
Merge pull request #42 from rbarbera/master

Removed test time from general preferences
Merge remote-tracking branch 'upstream/master'