Added Gesture Content View

Gesture content view supports attaching gestures to any of it's content
children.
Supported Gestures: SingleTap, DoubleTap, LongPress,
SwipeLeft,SwipeRight,SwipeUp,SwipeDown
While this view does not have template selector support it can be used in a datatemplate, or it can surround a view with template selector support and the data templates can have attached properties..