Leap Motion Core Assets 3.0.0

• Updated Assets to work with Unity 5.2.x integrated VR support for Oculus Rift, allowing applications to be built for the Oculus 0.7.0 Runtime
• Updated the Leap Head Mouted Camera Rig to work to support a simplified configuration manager, and simplified hierarchy in support of Unity Integrated VR.
• Updated VR assets to support improved temporal / spacial alignment via timewarp image interpolation.
  Various bug fixes.