[rackspace|compute_v2] fixing yard doc
[rackspace|storage] adding Storage yard docs
Merge branch 'master' of github.com:fog/fog into file_api
[rackspace] fixing yard warnings
Merge branch 'master' of github.com:fog/fog into file_api
Merge pull request #1650 from rackspace/file_api

[Rackspace|Storage] API documentation