* Create user handler stuff.
* Fixing Not Found errors from DB.
* Fixing param names.
* Update the proto's go package generation.
* Generate the user resource.
* Adding SDK methods for users.
* Fix the base type of Users and add tests.
* Connect user service to the controller handler.
* Attach the default org to the Test Controller's client.
* Take into account the provided request paths when the client builds the org/project path prefix.
* Adding comments to the API.
* rename repo function to repoFn.
* Fix typo in update mask errors.
* Clean up tests.
* Remove special checks for request url content in the api client and fix CORS test.