Initial pass at Ruby style cleanup
Show correct error message (well, right variable, anyway) when register fails
More sane handling of MAC and/or MACFILE options
Better status around retries.  show the error class (no message will be present) for now
Format MACs.  Unsure how these are actually used just yet
Move all common skinny options/code to the mixin
Add initial rspec for Skinny
Use enum for CISCOCLIENT, proper initialize args
Update getresponses to return any responses received, not nil
Better error handling when calls fail
Better handling/retrying when no responses received
Merge pull request #2 from jhart-r7/landing-4066-jhart

Initial pass at cleanup of viproy Skinny modules