Merging the contents of the Habitat hackathon

This Pull Request covers the work completed during and after last Saturday's Habitat hackathon:

 - Adding proxying over TCP/IP for Habitat QuantumLink packets (those with a program ID starting with ASCII 'U')
 - Randy Farmer's awesome test hatchery written in Node
 - Refactoring to Maven and modernization of dependencies/SQL schema
 - Addition of CLI argument parsing and basic configuration system
 - Basic documentation on how to build and run project
 - Helper scripts to speed bootstrapping

Let us know what you think, and thanks!