Merge pull request #556 from alvinsight/1.2

New examples for ninja physics, bitmap text, and documented the map func
preUpdate rotation fix.
Render Debug moved into Arcade class.
Fixed Body.reset and Tanks game.
jshint passed all the p2 physics and fixed Debug.spriteBounds.
Lots of small tweaks to pass jshint.
Updated all the examples that were using the old physicsEnabled
Yeaah, 242 examples working, only 7 missing