Adding config/warble.rb to force the addition of the ruby files, that
actually was the problem that @bowsersenior described.

"... but the main bin/gauntlt executable can't seem to find the path
to the lib/gauntlt ruby files .."

With this change and using jruby you must be able to create the proper
jar file.
Merge pull request #50 from sarcilav/warble-related-issue

Solve: #45 Creation of a 'binary gauntlt' version