Docs clarification & update
Merge branch 'jonas' of https://github.com/JonasT/Blitwizard into jonas
Implementing pre-events for templates (a bit of a hack, yes),
and fixing disableCollision() and enableCollision() jumping
Merge branch 'jonas' into physics_api_fix_2012-03-11
Fixing wrongly named disableCollision,
and set2dPosition fixed to warp2d