XSD change to add necessary elements
Methods to check if the project ID matches
Added comments for clarity and renamed a test for consistency
Refactored the handle response flow a bit, and integrated project id check
Added logic to handle RAX-AUTH:projectId
These should be forwarded, TODO removed
Updated project validation status code to 401

While 403 is probably the better choice, we will be using 401 to maintain backwards compatibility with the client authn filter. Additionally, an Identity v2 service would return a 401 to a ?belongsTo call if the projectId did not match.
Implement bypass project ID validation
Adding initial tests
Added logic to handle failure of get groups call
Added WWW-Authenticate header on 401
update mock service
update fix conflic merge
update mock service v3 to get role name
update test checking correct value
Nested conditionals in response to PR comment
remane tests
Merge pull request #1123 from rackerlabs/REP-894

REP-894 Validate token project-id in URI