Various small changes

Removed unused imports. fixed the name of the android app and added
stuff to renderer
added stuff to renderer
added an assets class that holds all the files
made loading animations cleaner
made a splash screen and code cleanup
improved rendrer
fixed splash screen and moved test render code
cleaned up
added a test sound and pause doesnt cause a jump
added fire and gun prep animations
revamped the render system
updated animation code
cleaned up and preped for next step
cleaned up and fixed error