converting real mode style pointers to protected mode style pointers

informing BIOS that VBE2.0+ info is desired by presetting VbeSignature to chars VBE2
by converting pointers we get strings correctly now
basic EDID structure, prints content of EDID, draws something to framebuffer

EDID structure will be moved to header file
tries to find display optimized resolution in vbe provided modes
microwindows demo malpha working on real hw

Intel(r)Crestline Graphics Chip with VBE 3 was tested