Maintain new View Matrix to handle multiple transformation.
Changes applied to new API.
Adding AR marker and video overlay.
Update .gitignore file.
Add the AR project files.
Update res folder.
Add AR native functionality.
Update Java part of AR project.
Add getting Intrinsics from new API 0911.
Adjust order of matrix multiplay to get the correct view matrix.
Apply lens distortion and image plane offset to overlay.
Inverse after casting quaternion to matrix only to Extrinsics.
Format and naming convention.
Making video-overlay a child object of Drawable Object, adding Add SetIntrinsics().
Change frustum vertex array to identity, use SetScale instead.
Add SetOffset in Drawable Object, in case that translate in local position first, works similar to object.forward.
Add camera for third person view and topdown view, pass view and projection matrix to render overlay in non-first person view.
Passing MVP into video_overlay.
Merge branch 'master' of https://github.com/googlesamples/tango-examples-c into experimental/ar

Conflicts:
	motion-tracking-jni-example/jni/tango_data.h
	motion-tracking-jni-example/jni/tango_motion_tracking.cpp
Merge pull request #24 from googlesamples/experimental/ar

Experimental/ar