Neutron-LBaaS Health Monitor Request Models

* includes request models for creating and updating health monitors
* also contains metatests for de/serialization

Change-Id: I6d11cd08d9b662cd6e7e95793c6ad67aff5e0f61
Neutron-LBaaS Fixed Listener Model with deepcopy

* imported deepcopy for copying an instance dict
* needed since the xml serialization type casted the
  integers and booleans of the object into strings

Change-Id: I061201a5901caeaf462cc2e72524fe381aa23f90
Fix a couple items in Barbican's container creation

* Ensure None is not added to the created_containers list,
which occasionally causes test tear-downs to fail as it tries
to delete all of the created_containers.
* Wrap the container creation response in a CloudkeepResponse.

Change-Id: I35531a027c2b84044e79ccf4c630d9a205b35289
Merge "Neutron-LBaaS Health Monitor Request Models"
Merge "Fix a couple items in Barbican's container creation"
Merge "Neutron-LBaaS Fixed Listener Model with deepcopy"