Merge branch 'release/3.0.1'
Add support for [[ABPadButton appearance] setHightlightedTextColor:] and transition numberLabel/lettersLabel during touchesBegan and touchesEnded
Merge pull request #20 from sdrew/feature/HighlightTextColor

Support for ABPadButton hightlightedTextColor
Implement delegate-based pin validation

Fixes #18
Validation is now performed by the delegate, rather than the padlock
controller itself.
Support complex pincodes with unknown length + more

Implements issue #17

Complex pincodes now show a text field with dots, so any length
pincodes are supported and pin code length is not required to open the
padlock view. Complex pin code displays an OK button (after at least 1
character).

Additional improvements:
iPad fixes, text localization, more iOS7.1 look, fixed some typos
Merge pull request #23 from LeoNatan/master

Implement discussed improvements in #17, #18 + other improvements
Removed redundant pin property from ABPadLockScreenViewController
Resolved failing tests
Updated example project to recommended settings for New Xcode