Fix bug with handlerEvent surcharge
Add first implementation of PointerRecognizers.
Recognizers convert low-level event handling code into higher-level actions.
For now we support: Drag, Pinch, Rotation and Tap
Add support of Recognizer into vs.ui.View
Change code to use TapRecognizer
Remove dead code
Update test
update libs
update libs
Use DragRecognizer
fix a bug with NaN value
Add new value propagation
Update libs
Update libs