Beginnings of support for PostShader effects (SavePNG, SaveMP4)
Minor cleanup.
Fix for issue 1: 'FBO not visible' : we forgot to clear the HashMap in DistortedNode.
Make deep copying DistortedObjects (needed in DistortedNode) standard.
Defensive programming.
Provide support to add any class derived from DistortedObject to DistortedNode.
Adjust comments.
convert Distorted.java from GLSurfaceView to Context.
Improvements for Javadoc
Fix javadoc errors
Initial commit