Moved texture packing to HackathonApp so Gdx.files.internal can be used.
Global asset loading is now done at launch and includes a loading screen. Use the Assets class for loading global assets from now on.
Merge branch 'master' of github.com:TerranceN/ATAHackathonW14

Conflicts:
	core/src/com/ashenrider/game/userinterface/MainMenuScreen.java