added towerdefense (still empty)
Merge branch 'master' of github.com:mostley/96pxgames

Conflicts:
	boxcar/boxcar.py
Merge branch 'master' of github.com:mostley/96pxgames
minor changes
various small bufixes
added state and menu
added sprite.duration
some bugfixing (clamped axis commands, statemachine, menu)
started game selector
fixed menu for selector
added orientation support
added c and d buttons
added ip as argument
Merge branch 'master' of github.com:mostley/96pxgames

Conflicts:
	boxcar/boxcar.py
	frames/frames.py
added diamondsquare terrain generator
Merge branch 'master' of https://github.com/mostley/96pxgames