Add new gestures (Long Tap, Drag, Drop)
    Add new gestures support for android
Edit browser sample to show new gestures
First implementation of Pinch support for Android
Fix __pointer.pressed not always realeased
Fix unwanted behaviors on gestures
Add scale computing for pinch gesture
Merge remote-tracking branch 'blackberry/next' into gesture_events

Conflicts:
	gameplay/src/Game.h
Adding LongTap gesture support for iOs
Adding Drag & Drop gestures support for iOs
Merge pull request #1298 from Pixelized/gesture_events

New gestures and gestures support for Android and iOS