Observe intention subclasses TFIntention
UIControll base class in taken from UIKit so import it.
Fixed Observe intention to work with storyboards.
Added a comment regarding xib vs. storyboard livetimes behaviour.
Added UITextFieldObserveIntention
Updated Example app.
Fixed file headers to have proper license info.
Added a choice of policies in TFTargetMultiplexerIntention.
UIControlEventValueChanged is sent where appropriate.