[hp] Merge latest HP provider updates (hpfog 0.0.22)

0.0.22 10/16/2013
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- add support for new LoadBalancer provider
  - add load balancer model and request layer with mocking support
  - add node model and request layer with mocking support
  - add virtual_ip, protocol and algorithm models and request layer with mocking support
- add support for new DNS provider
  - add domain model and request layer with mocking support
  - add record model and request layer with mocking support

0.0.21 06/11/2013
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- add support for new Networking (Neutron) provider (Grizzly release)
  - add network model and request layer with mocking support
  - add router model and request layer with mocking support
  - add subnet model and request layer with mocking support
  - add port model and request layer with mocking support
  - add floating ip model and request layer with mocking support
  - add security group/rule model and request layer with mocking support
- add support for new Compute V2 provider (Grizzly release)
  - remove support for security group/rule model and request layer
  - revise support for server, flavor, image, keypair, floating ip, metadata models and request layers
  - add support for availability zone model and request layer
  - add support for volume attachment model and request layer
- add support for new BlockStorage V2 (Cinder) provider (Grizzly release)
  - add volume model and request layer with mocking support
  - add snapshot model and request layer with mocking support
  - add volume backups model and request layer with mocking support
  - remove bootable volume model as it now accessible via volume model
- add support for caching auth credentials
- add filter query support to all new V2 collections
- add side by side support for both Compute and BlockStorage, V1/V2 providers