Moved all of the exceptions into a single source file
Refactored authorize(...) method
Moved filter director logic out of authenticate and into handleRequest
Moved boxing of white list logic into the isUriWhitelisted function
Store the admin token in a local datastore instead of a field
Reduced chance of false positive test failure
Refactored authorization
Refactored API code into its own class
Moved endpoint constants to the API class
Naming logger the conventional way
Corrected header to be a map of String -> String
Fixing test signatures
Merge pull request #1115 from rackerlabs/REP-996

REP-996 Refactor OpenStack Identity V3 Filter