Adding an iOS Unit Testing target referencing #405
Added test for intermediate nil values triggering ignoring an update that never happens.
Added NSString(RACKeyPathUtilities).
Fix update being applied to key paths when there are nil intermediate values.
Merge branch 'master' into racobservablepropertysubject-fix-keypath
Add UIGestureRecognizer -rac_gestureSignal
Add RACEventTrampoline -trampolineForGestureRecognizer:
Sort that UIKit group
Set UIGestureRecognizer+RACSignalSupport header public
blank lines
Add UIGestureRecognizer+RACSignalSupport to framework header
Add rac prefix to category methods and nicer comments.
Merge pull request #470 from ReactiveCocoa/racobservablepropertysubject-fix-keypath

RACObservablePropertySubject tries to update key path with nil intermediate values and fails.
fix type code parser for unsigned short
Add supports const char * value for type parsing.

both rac_setArgument:atIndex: and rac_argumentAtIndex: .
Merge pull request #483 from kkazuo/typeparsing-ushort

fix type code parser for unsigned short
Revert previous change
Skip const type qualifier
Fix ushort type code parsing for -rac_returnValue
Skip const type qualifier for -rac_returnValue