adding bobby worker support for adding servers to bobby after they are created.
Merge branch 'master' into auto-185-bobby-is-a-hard-worker
Merge branch 'master' into auto-185-bobby-is-a-hard-worker
Merge branch 'master' into auto-185-bobby-is-a-hard-worker
fix for the import changes after the giant object-based refactoring hit.
Merge branch 'master' into auto-185-bobby-is-a-hard-worker
fixing circular dependency issue that was causing unpredicable import issues.
Add pagination support to list groups endpoint, and fix broken tests
Add test to make sure the next link is formatted correctly
Fix bug where it was checking limit.paginate in the config, rather than limits.paginate
Shorten docstring
Change the list policies interface to return a list of policies instead
Change mock model to return a list of policies rather than a dict, when listing
Fix cassandra model to return a list for policies
The API should not have to reformat a dict as a list now, just to linkify the list
Other changes to remove the assumption that policies is a dictionary
tests to verify the absolute limits
Merge pull request #395 from rackerlabs/paginate-list-groups-endpoint-part-2

Paginate list groups endpoint part 2
Finish changing instances of interface docstrings
Merge branch 'master' into auto-185-bobby-is-a-hard-worker