[rackspace] remove deprecated response block from request
[vcloud_director|tests] Remove vcr_cassettes_old/
[vcloud_director|tests] Don't hardcode API host.
[vcloud_director|tests] mv *_test.rb *.tests.rb
[vcloud_director|tests] Make tests work
[vcloud_director|tests] Remove and ignore vcr_cassettes/
Merge pull request #2172 from burns/remove_deprecated_block

[rackspace] remove deprecated response block from request
Merge pull request #2176 from nosborn/vcloud_director_tests

[vcloud_director|tests] Fixes and cleanup