Oslo update requires a change to with_shell kwarg

This bug occurs upon applying the latest oslo openstack common package:

https://review.openstack.org/#/c/27607/

013-05-02 19:03:16 DEBUG [reddwarf.guestagent.manager] Mounted the volume.
2013-05-02 19:03:16 INFO [reddwarf.guestagent.dbaas] Starting mysql...
2013-05-02 19:03:16 INFO [reddwarf.guestagent.dbaas] Enabling mysql on boot.
2013-05-02 19:03:16 ERROR [reddwarf.openstack.common.rpc.amqp] Exception during message handling
Traceback (most recent call last):
  File "/home/ubuntu/reddwarf/reddwarf/openstack/common/rpc/amqp.py", line 433, in _process_data
    **args)
  File "/home/ubuntu/reddwarf/reddwarf/openstack/common/rpc/dispatcher.py", line 148, in dispatch
    return getattr(proxyobj, method)(ctxt, **kwargs)
  File "/home/ubuntu/reddwarf/reddwarf/guestagent/manager.py", line 85, in prepare
    app.start_mysql()
  File "/home/ubuntu/reddwarf/reddwarf/guestagent/dbaas.py", line 855, in start_mysql
    self._enable_mysql_on_boot()
  File "/home/ubuntu/reddwarf/reddwarf/guestagent/dbaas.py", line 716, in _enable_mysql_on_boot
    utils.execute_with_timeout(command, with_shell=True)
  File "/home/ubuntu/reddwarf/reddwarf/common/utils.py", line 262, in execute_with_timeout
    return execute(*args, **kwargs)
  File "/home/ubuntu/reddwarf/reddwarf/openstack/common/processutils.py", line 91, in execute
    'to utils.execute: %r') % kwargs)
UnknownArgumentError: Got unknown keyword args to utils.execute: {'with_shell': True}