Simpler way of getting a player's velocity towards a touch.
Move setVelocity from PlayerEntity to Entity.
Merge pull request #2 from bogeymanEST/setvelocity-in-entity

Move setVelocity from PlayerEntity to Entity.
Updated physics
Merge pull request #3 from bogeymanEST/simpler-velocity

Simplified touch processing.
Deletion and render loop added
Fireball and Player internal rendering
Entity type based touch controls implemented
The great deprecation purge of 2013
Smoothed out finger tracking