Ported fog rackspace storage docs for OpenStack
Oops. Missed a couple of deletions of CDN stuff.
Merge pull request #2560 from elight/rackspace_storage_docs

[OpenStack] Ported fog Rackspace storage docs to OpenStack
No, we don't want people hitting up Rackspace specifically about OpenStack docs. It's a joint effort!
Adds getting started guide for OpenStack fog
Added Ruby-specific code blocks
[openstack|compute] Adding docs for OpenStack Compute
[rackspace|compute] updating Rackspace compute docs
Merge branch 'master' of github.com:fog/fog into openstack_docs
Merge pull request #2562 from rackspace/openstack_docs

[openstack|compute] Adding compute docs
Merge pull request #2561 from elight/rackspace_storage_docs

[OpenStack] Getting Started Guide
Formating fixes