Make the world bigger for testy purposes
Add moveEntity and moveEntityByHeading functions, make player an entity.
Give tiles light variables
Fix syntax error in newTile
Add comments in main, entity speed, and make the player move by input.
Calculate delta based on teh time to make a frame, not the time between them. Also, use delta to schedule in a way that allows us to catch up to real time.
Merge branch 'develop' of github.com:justinkim/game-off-2013 into develop

Conflicts:
	js/entity.js
	js/world.js