Updated deps (rOCCI-api)
Another bump for the rOCCI-api version
Updated OcciOpts

* Refactored
* Using Hashie::Mash instead of OpenStruct
* Better arg descriptions
Fixed formatting of the help message
Moved CLI examples to an ERB template
Added stubs for new actions attach & detach
Fixed attr and context parsing
Minor version bump
Merge pull request #21 from arax/api_update

Updated CLI (to match API changes)