Distorted Android

1. new package 'message'
2. Rename the 'Grid' classes to match

move data types, like FlatND and InterpolatorND, to a separate package.

Add License

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!!

Progress with Save app.

Beginnings of support for the 'Save' app.

Improce the 'Check' App.

Improve aborting Effects.

Merge remote-tracking branch 'origin/master'

Introduce ENUM EffectTypes