open_stack_interface.py:     - use nova boot with --poll option to create a vm.     - removed code that reboots a VM on create.     - Sets VM operational status to geni_failed if the VM state goes to ERROR after boot.
open_stack_interface.py:
    - use nova boot with --poll option to create a vm.
    - removed code that reboots a VM on create.
    - Sets VM operational status to geni_failed if the VM state goes to ERROR after boot.

GENI-NSF/gram,GENI-NSF/gram,GENI-NSF/gram