Also adds a startValue arg to the function translating Capp values to
css values (needed for translate because you translate the offset).
CPViewAnimator: when ensuing animations, separate the fallback (the
function executed when animation are not supported) and the completion
function executed when the animation ends.
Cleanup xib in manual test: removed controls.
CPAnimatablePropertyContainer protocol (CPView)
CPAnimationContext
_CPObjectAnimator CPViewAnimator
CSS Animations wrapper
CPAnimatablePropertyContainerTest : animations of views with custom Layout / Regular Layout / Custom DrawRect: / No DrawRect: / Subviews / No Subviews and combinations of these situations.
controls animation (text field, button, popup, slider ...). They animate their size via their action.