Fixed iOS compatibility issues
Fixed a bug with how textures were appearing in iOS
Added an internal data structure for the model asset
Finished updating the model asset to use the internal data structure instead of instance variables for rendering
Fixed a bug where changes to screen size doesn't update the centre of the follow camera
Cleaned up the level generator implementation
Removed the virtual gamepad from ios
Cleaned up render batching
Fixed a performance bug where the fixed time step was all wacked.