Clean and unify Property API
intermediate push
intermediate push
Merge branch 'delegateAsClassParameter' of
https://github.com/djeang/ceylonfx-proposal.git into
delegateAsClassParameter

Conflicts:
	source/ceylonfx/scene/paint/Paint.ceylon
try fix commit
Fix Point
intermiediate commit
intermediate commit
interm
intermediate commit
intermediate
intermediate commit
intermediate commit
intermediate commit
import
clean warnings
remove CheckBox2 class
Merge remote-tracking branch 'origin/master'

Conflicts:
	source/ceylonfx/binding/JavaWrappedProperties.ceylon
	source/ceylonfx/scene/Node.ceylon
	source/ceylonfx/scene/control/CheckBox2.ceylon
	source/ceylonfx/scene/control/TextField.ceylon
	source/ceylonfx/scene/control/TextInputControl.ceylon
	source/ceylonfx/scene/paint/Paint.ceylon
	test/ceylonfx/scene/control/CheckBox2Runner.ceylon