Initial work for the commandcenter endpoints
Refactored existing commandcenter endpoints and added remaining
Updated README.md
Added missing parameters in method comments
Required commandcenter file and included module, fixed end block missing
Added missing requires and includes
Merge pull request #73 from jonathanchrisp/command-center

CommandCenter endpoints
Updated version to 6.3.0 and date in gemspec
Merge pull request #74 from jonathanchrisp/staging

Version 6.3.0