Upgrade ember-touch to work with rc2, using container and internal
changes

- Remove `GestureDelegates` & `RegisteredGestures` classes to be managed
in the ApplicationGestureManager instance.

- Init the `ApplicationGestureManager` and common gestures with
  initializers statements.

- The `ApplicationGestureManager` instance is registered in the
  application container.
gestureManager Please ent to work with rc2, using container and internal
changes

- Remove `GestureDelegates` & `RegisteredGestures` classes to be managed
in the ApplicationGestureManager instance.

- Init the `ApplicationGestureManager` and common gestures with
initializers statements.

- The `ApplicationGestureManager` instance is registered in
the application container.

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