commit video overlay example to a branch
- naming change for shader loading.
- dynamically assigning screen size and texture size.
- removed unused header.
add in v2.0 libs
added video overlay texture..
- clean up the experimental code
Merge branch 'master' into feature/v2.0_video_overlay_example
- update so file to latest.
- change target sdk to 17 to 19
- change mk file to fit new so.
- clean up c code.
Adding matrix conversion for debug.
Merge pull request #17 from googlesamples/feature/hello_tango_jni_example

- change bundle name.
- adopting 0902 library.
- UI changes
- rename buttons
- add version string
- print version string
- change camera control button order and name
Merge pull request #18 from googlesamples/feature/v2.0_point_cloud_example

- change camera control button order and name
Merge branch 'master' into feature/v2.0_video_overlay_example

Conflicts:
	TangoDevUpdate-0618/libs/libtango_service_api.so
- adopt 0902 changes.
- make full-screen.
- rename application
- rename namespace