XORT Compiler xortcode

[XVM2] new execution model implementation

[XORT] small corrections

[XORT] genx64

[XORT] version and copyright corrections)

[XORT] version and copyright corrections)

[XORT] fix va_list for mac

[XORT] first time run XVM on Mac!

[XORT] fix compilation issues for PC

[XORT] fixed compilation issue on Mac. Added native proc asm code for Mac.

[XORT] fixed compilation issue on Mac. Added native proc asm code for Mac.