Removed support for host CPUs without FXSAVE/FXRSTOR support.
VMM: SELM and VMM early HM init changes.
header (C) fixes
VMM: Switcher and TRPM fixes wrt hypervisor traps and tstVMM.
VMMSwitcher: Drop the unused assembly switcher functions taking guest or host contexts as arguments.
Doxygen.
VMM reorg: Moving the public include files from include/VBox to include/VBox/vmm.
VMM source reorg.