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
Adding support for default UI themes.
Merge branch 'next' of https://github.com/sgrenier/GamePlay into next

Conflicts:
	gameplay/src/Button.cpp
	gameplay/src/Button.h
	gameplay/src/CheckBox.cpp
	gameplay/src/CheckBox.h
	gameplay/src/Container.cpp
	gameplay/src/Container.h
	gameplay/src/ControlFactory.h
	gameplay/src/ImageControl.cpp
	gameplay/src/ImageControl.h
	gameplay/src/Joystick.cpp
	gameplay/src/Joystick.h
	gameplay/src/Label.cpp
	gameplay/src/Label.h
	gameplay/src/RadioButton.cpp
	gameplay/src/RadioButton.h
	gameplay/src/Slider.cpp
	gameplay/src/Slider.h
	gameplay/src/TextBox.cpp
	gameplay/src/TextBox.h
Added gameplay::strcmpnocase as a platform-independent case-insensitive ASCII string comparison function.
More work on adding support for default UI theme.
More work on default theme.
More work on default theme.
Significantly improved quality of fonts (only with new fonts generated by gameplay-encoder).
Began process of removing render-to-framebuffer for UI. Forms will now be rendered immediate-mode.
Merge branch 'next' of https://github.com/sgrenier/GamePlay into next

Conflicts:
	samples/browser/res/common/arial.gpb
	samples/browser/res/common/default.theme
	samples/browser/src/FormsSample.cpp
	samples/browser/src/SamplesGame.cpp
Fixes AudioListener::setCamera problems change to use a cameraListener to be notified on transform and camera changes on scene.
Fixed #1295
Merge pull request #1296 from seanpaultaylor/next

Fixes AudioListener::setCamera problems change to use a cameraListener t...
Updated removing shadow interfaces in Model.
Merge pull request #1297 from seanpaultaylor/next

Updated removing shadow interfaces in Model.
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
Remove include of deleted file (SocialController)
Merge pull request #1299 from Pixelized/remove-social

Remove include of deleted file (SocialController)
Merge pull request #1298 from Pixelized/gesture_events

New gestures and gestures support for Android and iOS