nanogui: Thread: Nano-X version 0.4 released

Nano-X version 0.4 is released, which can be used as a reference port
for driver work, since all the line draw/box draw/fill routines now operate correctly.

Following is a list of enchancements/changes in this release:

	Fixed all rectangle, fillrect, and line off-by-one bugs
	XOR drawing mode implemented in drivers, allows demos to run
	Landmine game now works perfectly
	Commented example drivers a little better
	Implemented text clipping
	Fixed console switch code and redrawing
	Fixed startup graphics mode virtual/physical placement bug
	Added 256 color palette for linux
	Changed driver interface slightly to add GetFontInfo and GetScreenInfo
		at driver level

Greg