Merge pull request #1 from jputney/master

Added sample tests etc.
Setting on a basic() main method to create an instance and retrieve metadata from hqsldb databae.
Setting on a basic() main method to create an instance and retrieve metadata from hqsldb databae.
Setting on a basic() main method to create an instance and retrieve metadata from hqsldb databae.
Cleaning up.   Still setting up the basic framework.
Added DataSourceDMR for Postgres and generic work.  Refined getting DataSource from command args.
add a little testing and logging examples