- removed deprecated bitmap arg from IMB_allocImBuf (plugins will need updating).
- mostly tagged UNUSED() since some of these functions look like they may need to have the arguments used later.
* glare
* tonemap
* lense distort
* fast gauss blur
http://projects.blender.org/tracker/?func=detail&atid=127&aid=7505&group_id=9
made fast gauss blur an option for the blur node rather then a separate node.