Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority

python_icon.exe:	py.res empty.obj
	link /out:python_icon.exe /machine:x86 /subsystem:windows py.res empty.obj

py.res:	py.ico pyc.ico pycon.ico icons.rc
	rc /fo py.res icons.rc

empty.obj:	empty.c
	cl /c empty.c