Merge lp://qastaging/~gandelman-a/ubuntu/saucy/quantum/stevedore into lp://qastaging/~openstack-ubuntu-testing/neutron/havana

Should fix tests that are now failing:

======================================================================
ERROR: quantum.tests.unit.ml2.test_security_group.TestMl2SecurityGroupsXML.test_create_security_group_rule_duplicate_rule_in_post (subunit.RemotedTestCase)
quantum.tests.unit.ml2.test_security_group.TestMl2SecurityGroupsXML.test_create_security_group_rule_duplicate_rule_in_post
----------------------------------------------------------------------
_StringException: Empty attachments:
  stderr
  stdout

pythonlogging:'': {{{2013-05-29 13:36:52,211 INFO [quantum.manager] Loading Plugin: quantum.plugins.ml2.plugin.Ml2Plugin}}}

Traceback (most recent call last):
  File "/��BUILDDIR��/quantum-2013.2+git201305291330~saucy/quantum/tests/unit/ml2/test_security_group.py", line 44, in setUp
    super(Ml2SecurityGroupsTestCase, self).setUp(PLUGIN_NAME)
  File "/��BUILDDIR��/quantum-2013.2+git201305291330~saucy/quantum/tests/unit/test_extension_security_group.py", line 241, in setUp
    super(SecurityGroupDBTestCase, self).setUp(plugin)
  File "/��BUILDDIR��/quantum-2013.2+git201305291330~saucy/quantum/tests/unit/test_db_plugin.py", line 124, in setUp
    self.api = APIRouter()
  File "/��BUILDDIR��/quantum-2013.2+git201305291330~saucy/quantum/api/v2/router.py", line 76, in __init__
    plugin = manager.QuantumManager.get_plugin()
  File "/��BUILDDIR��/quantum-2013.2+git201305291330~saucy/quantum/manager.py", line 201, in get_plugin
    return cls.get_instance().plugin
  File "/��BUILDDIR��/quantum-2013.2+git201305291330~saucy/quantum/manager.py", line 196, in get_instance
    cls._create_instance()
  File "/��BUILDDIR��/quantum-2013.2+git201305291330~saucy/quantum/openstack/common/lockutils.py", line 246, in inner
    retval = f(*args, **kwargs)
  File "/��BUILDDIR��/quantum-2013.2+git201305291330~saucy/quantum/manager.py", line 190, in _create_instance
    cls._instance = cls()
  File "/��BUILDDIR��/quantum-2013.2+git201305291330~saucy/quantum/manager.py", line 115, in __init__
    plugin_klass = importutils.import_class(plugin_provider)
  File "/��BUILDDIR��/quantum-2013.2+git201305291330~saucy/quantum/openstack/common/importutils.py", line 30, in import_class
    __import__(mod_str)
  File "/��BUILDDIR��/quantum-2013.2+git201305291330~saucy/quantum/plugins/ml2/plugin.py", line 39, in <module>
    from quantum.plugins.ml2 import managers
  File "/��BUILDDIR��/quantum-2013.2+git201305291330~saucy/quantum/plugins/ml2/managers.py", line 19, in <module>
    import stevedore
ImportError: No module named stevedore