Make -[NSString rac_sequence] work with composed characters
Merge pull request #335 from js/composed-chars-string-sequence

Make -[NSString rac_sequence] work with composed characters
Set usesTabs=1 for the pbxproj

At least in the latest Xcode this will make all project files use
tabs, even if spaces is set as the indentation method in Xcode
Preferences
Merge pull request #337 from js/uses-tabs-project-setting

Set usesTabs=1 for the pbxproj
Change RACPropertySubject to inherit +subject constructor instead of using it's own.
Change _itemsInFlight to an int32_t. Fixes armv7 misalignment.
Merge pull request #346 from joshvera/fix-raccommand-items-in-flight

Change RACCommand's _itemsInFlight type to int32_t. Fixes armv7 alignment.
Add back +property, test them both.
Merge pull request #345 from ReactiveCocoa/fix-racpropertysubject-constructor

Change RACPropertySubject to inherit +subject constructor.
Merge branch 'master' into wait-until-completed