Added BaseLbaasModel so all models have to implement to_dict method.  Implemented nodepool and nodepool member methods.

Change-Id: I0b6c417ae3caeb9b64242269d27182dc69f59ea3
Added and fixed nodemember cru methods.

Change-Id: I9b385b605c77f751490aa55edc029d5b8dce9a76
Completed CRUD operations for loadbalancer, pool, and member.  Added driver calls based on new style driver.

Change-Id: Iac1033a492d07f2622842929a5632e3b362a7544
Fixed merge conflicts.

Change-Id: I1c1ba24efd1a421886f20e7768ff517038dca38c
Fixed some code that wasn't working.

Change-Id: I00b087df676e982c223a5e22c9a9ed690de115ab