More support for using the library from more than one activity
We need to pause an Activity in the following way:
1) Activity.onPause()2) View.onPause()3) Library.onPause()
otherwise sometimes there are artifacts when pausing!
Correct the Legal notice.
Rename all the classes that are not exported to application to 'Internal'
Massive: make the coordinate system agree with that of OpenGL (i.e. invert the Y axis).
Transparency App: try to postprocess and not-postprocess the Transparent Surfaces.
Correct a recently introduced bug.
New app checking Order Independent Transparency.