Update volume and snapshot tests
Use new api_version option instead of base_url
update cassettes
Update doc links for domains
Regenerate failing cassette
[compute] update create_server api for instance to boot from volume
Merge remote-tracking branch 'choodur/feature/improvements/update-volume-multi-api-versions-tests' into feature/AVIATORAPI-75
[compute][server] update test specs & cassettes for create_server
Merge pull request #36 from stefanymarie/feature/AVIATORAPI-75

[compute] update create_server api for instance to boot from volume