Improve comments and structure of UIView category header
Change declarations of attributes to @property

Now the documentation comments are diplayed propertly when used with dot
syntax.
Change declarations of attributes to @property for NSArray too

Now the documentation comments are diplayed propertly when used with dot
syntax.
Improve comments and structure of NSArray category header
Set Example to run in 64-bit
Backward compatibility with iOS 6

Using compile-time check for iOS 7 SDK and use iOS 6 runtime fallbacks.
Version bump 1.2.2
Merge pull request #1 from iMartinKiss/master

Update from original project