fixing make-iso
adding code to cover /boot when it is mounted on another partition
adding _check_id_controller_virtualbox in boot.py
adding CentOS provisioning
update
change make-iso to make-installer
hide ipmi command output
hide ipmi command output
hide ipmi command output
hide ipmi command output
hide ipmi command output
hide ipmi command output
hide ipmi command output
just test
just test
minor modification
some cleanup.
made do_sudo in common and cleaned up make.py
Enable debugging.
some minor change in the doc