update create_virtualimage script

copied changes from commit 34854f9 and commit 467914e.
create_virtualimage: we don't need md5 checks here
xf86-video-vmware: update to xf86-video-vmware-13.0.0
config/: remove unused files
udisks: remove lvm2 support
remove package: 'LVM2'
Python: enable ipv6 support. closes #1795
openssl: don't install docs. closes #1793