update to version 3.5.0
* Add policy functional tests
* Follow up patch for Improve docs for v3 roles
* Improve docs for v3 roles
* Follow up patch for Improve docs for v3 domains
* Add project functional tests
* Fix no content return type doc
* Improve docs for v3 auth
* Follow up patch for Add ec2 functional tests
* Reuse Domain and Project resouce definitions
* Follow up patch for Improve docs for v3 ec2
* Do not send user ids as payload
* Add auth functional tests
* Improve docs for v3 endpoints
* Follow up patch for Improve docs for v3 services
* Add Python 3.5 classifier
* Add role functional tests
* Add endpoint functional tests
* Use assertEqual() instead of assertDictEqual()
* Correct test_implied_roles
* Add service functional tests
* Improve docs for v3 policies
* Move other-requirements.txt to bindep.txt
* Follow up patch for Improve docs for v3 policies
* Improve docs for v3 ec2
* Remove unused LOG
* Remove print in tests.functional.v3.test_implied_roles
* Add region functional tests
* Use the adapter instead of the client in tests
* Add ec2 functional tests