* Authorization service proto
* implement auth service
* Add unit tests
* Generate auth api client
* Authorization checks for tensorboard apis
* UI Server authorization checks
* Clean up error parsing
* Revert changes
* Fix portable-fetch not found bug
* Fix unit test
* Include portable-fetch required by api client
* Fix portable-fetch module import error
* Fix portable-fetch again
* Add unit tests
* Address CR comments
* add unit test for header
* Update readme
* [UI Server] Add namespace argument for tensorboard endpoints
* Allow local node server to talk to minio in cluster
* Use tensorboard namespace in UI
* Add unit tests for tensorboard UI server
* Fix tests
* Fix tensorboard proxy url
* Fix tensorboard proxy failure
* Fix tests
* Remove unecessary encodeURIComponent
* Add old comment back
Yuan (Bob) Gong