Distorted Android

remove the remains of DistortedBitmaps from DistortedNode

Bugfix for removeByType

Save PNG effect almost finished. Supporting App (hopefully!) completely finished.

What remains to be done: put actual saving of the Bitmap in a separate thread, away from the Graphics thread!!

Javadoc stuff.

Implement SAVE_PNG

Beginnings of support for the SavePNG effect.

abstract setMax and getMax to EffectQueue.

Improce the 'Check' App.

Improve aborting Effects.

Introduce ENUM EffectTypes