Generalize NSButton+RACCommandSupport to all NSControls
Add NSText.rac_textSignal
Add NSControl.rac_textSignal
Merge branch 'master' into better-appkit-binding
Style fixes
Send initial values on rac_textSignal subscription
Merge branch 'master' into better-appkit-binding
++words
Merge pull request #363 from ReactiveCocoa/better-appkit-binding

Move NSButton.rac_command to NSControl, add rac_textSignal