Merge pull request #23 from ivantse/master

Fixing where selecting 'Change Passcode' was actually selecting 'Turn Passcode Off'
Tweaked empty and filled box images to horizontally align black circle.
Merge remote-tracking branch 'upstream/master'
Merge pull request #26 from martinjbaker/master

Revised box images
Boxes are now centred within the view. Previously box count multiplied by 71.0 was used which made the box view 10pts wider than it really is, leaving more gap on the right than the left.
Merge branch 'master' of https://github.com/aporat/KKPasscodeLock
Merge pull request #27 from martinjbaker/master

Make 4 boxes horizontally centred in the view
Boxes now vertically centred on 4" screen devices. The empty tableView is necessary to avoid white background showing through. Position of boxes on iPad not changed.
Merge pull request #28 from martinjbaker/master

Vertically center boxes on 4" screen iPhone and iPod Touch
Update podspec
Merge pull request #31 from hanneskaeufler/master

Update podspec
added method to reset passcode settings
fixed tableview cell selection/deselection bug
added class property to be able to instantiate any subclass of KKPasscodeViewController for customization purposes
failedAttemptsCount stored in the keychain to avoid to be reset killing the app
implemented passcode block feature
added extra delegate to settings view controller to be able to reproduce the same app logic
redirected delegates method to extra delegate in settings view controller
improved passcode view controller appearance on iPad (presented as form sheet)
navigation controller of passcode view controller now respects customised navigationbar and toolbar classes
Merge branch 'master' of https://github.com/valeriomazzeo/KKPasscodeLock
Merge pull request #32 from valeriomazzeo/master

Project improvements