[rackspace|storage] added account model
Merge branch 'master' of github.com:fog/fog into storage_account
rebasing with master
Merge branch 'master' of github.com:fog/fog into storage_account
remove unneeded url param
[openstack|volume] Added missing service declaration

- Fixes regresion probably caused by eb0545b
- Added minimal test to catch the issue
- Fixes #1605
Merge pull request #1601 from krzyzak/master

Remove :url param from aws get_service request
Merge pull request #1606 from bvox/openstack-volume-fixes

[openstack|volume] Added missing service declaration
Merge pull request #1569 from rackspace/storage_account

[rackspace|storage] added account model
[rackspace|compute_v2] compute_v2 tests were failing because the flavor used in the tests was too small for the image selected. I updating tests to use the an Ubuntu image in hopes of making the tests less brittle.
Merge branch 'master' of github.com:fog/fog into test_fix
[rackspace|storage] added the ability to determine meta prefixes from Class objects as well as Fog object. This addresses issue in Files#get method.
Merge pull request #1609 from rackspace/test_fix

[Rackspace|Compute_v2] Improving tests
Merge pull request #1610 from rackspace/storage_meta_fix

[rackspace|storage] Added ability to determine prefixes from Class Objects
Fix Mock#allocate_address method arity
Fix Mock#get_snapshot_details argument
Fix Mock#get_volume_details argument
Fix Mock#list_servers method arity
Fix Mock#remove_fixed_ip arguments
Fix Mock#update_server arguments