Use gophercloud.ServiceClient in storage V1.
Use the ServiceClient to generate URLs.

Add OkCodes to all of the perigee requests.
Put something non-test in acceptance/../identity/v3.
Working on the acceptance test, now.

Builds but does not pass.
Use the new EndpointOpts service instantiation.
Normalize endpoint URLs during endpoint location.

Refactor URL normalization into a private function.
Merge pull request #198 from smashwilson/storage-consistency

Storage consistency