Split the project into two modules, packaging and deployment enhancements.

The Solr config and testing part of the project is now its own module. This
module is packaged as a set of auxiliary libraries in a tar file that we need
to deploy with the Solr war.

The index-helper has been renamed to index-data-converter.
Merge pull request #29 from mikesname/multi-module

Split the project into two modules, packaging and deployment enhancement...
Tweak ignore to ignore the data file