Bring over the code for loosely parsing .jar file MANIFEST.MF files
Include the debugger gems when testing on MRI only
Start fleshign out a Plugin and Catalog class respectively

The Plugin class will encapsulate the meta-data for a single plugin record from
the udpate-center, while catalog is intended to be the primary mapping of the
update-center file as a whole.

I'm not sure yet if the Catalog class should be resolving the plugins on disk
and what's available
Ignore all my local vagrant files
Implement a basic name-based search for an existing update-center.json on disk

This is only searching based on names right now

References #4