Closes #239 Optimize Actor drawing

Also fixed some bugs in Camera
Also partial work on CollisionMaps
Closes #241 Collision types refactored to be more clear
Fix weirdness in loader and explicitly fire 100 percent progress
Closes #244 Custom method action implemented
Close #33 COLLISION MAPS!!!
Merge pull request #247 from excaliburjs/dev-erik

Merge actor draw optimization, collision refactor, new action, and collision maps