Distorted Android

Small API simplification.

Remove old facility to correct Postprocessing buckets on new Postporcessing effects.

New facility will follow shortly....

Remove DistortedEffectsPostprocess and unify it with DistortedEffects.

Job not finished - doesn't compile now!

Fix the final 'Vertex & Fragment Effects' APP. All APPs work now!

Fix 'EffectQueue' APP. Now 30 out of 31 APPs work.

Fix 'Olimpic' APP. Now 29 out of 31 APPs work.

Fix 'Bitmap Tree' APP. Now 28 out of 31 APPs work.

Fix 'Cat and Dog' APP. Now 24 out of 31 APPs work.

Fix Moving Effects APP. Now 23 out of 31 APPs work.

Bugfix (invert Region's y coord)