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First Commit of ARTestPlane
Updated Client for easier use
Merge branch 'ARTestPlane' of https://github.com/mdfeist/CMPUT302W12T4
Cleaned up some code and added a RigidBody class to help smooth orientation.
Now able to handle the camera tracking
Updated Orientation, added Keyboard support, and moved createPlane from Application to Objects
Cleaned Code
Fix merge
Merge branch 'ARTestPlane' of https://github.com/mdfeist/CMPUT302W12T4 into ARTestPlane

Conflicts:
	ARTestPlane.sdf
Changed git ignore file added .sdf
Added XBOX Controller support
Added threading for XBOX Controller

Added XBoxThread.cpp and *.h, updated other files to support.
Removed Marker.h
Added Comments
Removed Marker.cpp
Added pugixml
Added Settings
Added Settings