adding worker API in sketch form.
giant blob of work.  Middle layer almost done!  Added wrapper for ELE interface, test cases, filled in most (but not all) of the other cases.
Merge branch 'master' into auto-185-worker-api
Add LICENSE
Add copyrights to files
Merge pull request #9 from rackerlabs/license-and-copyrights

License and copyrights
Merge branch 'master' into auto-185-worker-api
ensuring that the entity ID is available where necessary.
Merge pull request #6 from rackerlabs/auto-185-worker-api

adding worker API (ready)
Propane and propane accessories: Using a T-junction, some duct tape, and a rusty wrench to borrow some features from the otter library.
Merge pull request #10 from rackerlabs/propane-and-propane-accessories

Using a T-junction, some duct tape, and a rusty wrench to borrow some features from the otter library.
Add treq to requirements
Add get_serverpolicies_by_policy_id and appropriate tests
Add API call for getting all the serverpolicies for a given server
Change get_serverpolicies to get_policy_serverpolicies
Add get_serverpolicies_by_server_id and accompanying tests (because it makes more sense than the previous function)
Adjust the views to fetch serverpolicies by server_id
Add code for adding and deleting serverpolicies
Lint...
Add code for creating and deleting serverpolicies via the API