[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
[rackspace] SPIKE: converting authentication module to super class
updated endpoint handing
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
Merge pull request #1614 from blowmage/fix_openstack_mock_methods

Fix openstack mock methods
Switch gem source to https://rubygems.org
Merge pull request #1616 from rubiojr/gemfile-updated

Switch gem source to https://rubygems.org
Merge branch 'master' of github.com:fog/fog into auth20
Merge branch 'auth_spike' into auth20
[rackspace] updated to pass string rather and a uri to Fog::Connection
[rackspace] created auth_token method in service that will return a token defined in the @auth_token variable to the identity service to reduce the chance that token might not be set; improved token tests