VirtHCK: KitAutosetup: Documentation updates
VirtHCK: KitAutosetup: Documentation updates

README updated with the following:
1) Removal of information that became obsolete since previous updates to
   the main VirtHCK scripts.
2) Rewording.
3) Refactoring, for easier editing.
4) Changes due to the latest KitAutosetup updates.

Signed-off-by: Leonid Bloch <3a22e9cf704854296e65b3541097a97e3000b637@daynix.com>

daynix/VirtHCK