index.js license header reformatting
Added GNU ease.js dependency
Added Mocha and Chai dev dependencies

When the project that would eventually become Liza was initially developed,
Node.js was still very young and there were no well established testing
frameworks. That has since changed.
Added make check and test targets
Added TESTARGS for check target

Allows passing arguments to mocha
Autotools now using build-aux/ instead of tools/

We will use tools/ for our own scripts
Added gen-index script

This removes the burden of manually creating a namespace object
Build now generates index.js modules