Added suuport of OpenStack cloud storage support for and fields.
| URL type | Description |
|---|
| OpenStack Cloud Storage | |
| Swift tempauth(v1) | swift://[user[:password]@]hostname[:port]/v1/[tenant]/[container]/[object] |
| Swift identity (v2.0) | swift://[user[:password]@]hostname[:port]/v2.0/[tenant]/[container]/[object] |
