Add RACTuple.tail
Add RACSignal.ap
Basic test for RACSignal.ap
Document precondition of RACTuple.tail
Rename ap to apply. Don't use RACTuple.first.
Fix references to -ap
Comment that the apply block should return an object.
One more reference to -ap
Rename apply to reduceApply
Assert at least 1 arg, reword method summary.
Fix typo.
Reword comment for RACSignal.reduceApply
Added RAC support for UIImagePickerController.
Style fixes.
Updated project settings for header, added import to ReactiveCocoa.h.
Added test for functionality.
Removed dismiss code out of category, added note about dismiss responsibility to header.
Style and import fixes.
Added signal for picker cancellation.
Changed reduceEach to mapReplace, added blank line after cancelled signal, separated test for picker cancellation