Fixed ARC-related memory leak in setString:forKey:

CFDictionaryRef objects passed to SecItem* should be simply bridged; __bridge_retain is not necessary. The function will make use of the dictionary and pass it back without changing its retain count.
Merge pull request #18 from evands/patch-1

Fixed ARC-related memory leak in setString:forKey:
Use smaller and tighter layout for landscape mode on iPhone.
Add requires_arc to podspec.
Merge pull request #19 from alondon/master

Use smaller and tighter layout for landscape mode on iPhone.
fix launch warnings on sample demo app. closes #13
merge "Turn Passcode" & "Change Passcode" into a single tableview section
fixing where selecting 'Change Passcode' was actually selecting 'Turn Passcode Off'
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