OIT: lots of progress on all fronts. Still a few bugs to solve though!
Disable blending during postprocessing.
Internal API change around postprocessing.
Make Postprocessing quality per-effect (rather than applied to the whole queue)
Minor.
Reorganize the way we add and remove all Effects (do it through DistortedMaster and is POSTPROCES - adjust Bucket and SORT Nodes).
Buggy: removing effects does not work.
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!
Progress with support for Effect classes.