[rackspace|storage] added support for container metadata; added directory tests
Merge branch 'master' of github.com:fog/fog into dir_metadata
[rackspace|storage] Cloud Files will not process a header without a value so I added a stand in value for nil
Merge branch 'master' of github.com:fog/fog into dir_metadata
[rackspace|storage] added delete method to metadata
[rackspace|compute_v2] Added note indicating that RackConnect users should use Server personalization rather than the bootstrap method
Merge branch 'master' of github.com:fog/fog into dir_metadata
[rackspace|compute] added test for put_container with an optional parameter
[rackspace|storage] updated directory to lazy load metadata when necessary
[rackspace|storage] added tests for metadata class; fixed bug with method missing
[openstack] Register the image service
[fog] Typo fixed in identity
[fog] Cleanup:  Use the service registry for requiring libs where possible
Rudimentary CRUD for AWS Data Pipeline
Simple model tests
Simple request tests
Fix failing model tests
Mark data pipeline tests pending if mocked
Make compatible with Ruby 1.8.7
Merge pull request #1570 from anshul/master

Use Fog.providers and Fog.services to require files and instantiate services