Make the Effects3D app a bit more user-friendly.
Overhaul of the Effects3D generic test app.
Still not perfect (the 'postprocess' tab does not work; things crash when we rotate)
Add OIT to the Effects3D app.
Some corrections so that most apps still work on the Android emulator (OpenGL ES 2.0-based)
Use Transform Feedback to (optionally) display the Normal vectors.
Encode more info in the EfectNames enum.
Combine Fragment3D and Vertex3D apps into one.
Rename Effects3D to Matrix3D
Initial commit