Converted data threads to use multiprocessing.

With the change comes significant speed increases for
the converion and aquisition of heightmap data for a faster
simulation.
Added more functionality for assorted menus.

Basic functionality present in ChooseCSV and buttons
in Simulator function appropriately.
Added stopping functionality and update functions.

Display now properly closes all asociated threads with the program
and engine should support a change in dataPlane.
Updated various resources.

Textured buttons now can have borders, the car has framework to
build the joints, the menu has some variable names changed and
minor OpenGL additions
Small changes to both main and uploadThread.

Main no loger has an invalid import and uploadThread now
keeps better track of which texture the button is.