REF: major code reorg, + tying up loose ends as we dig into 0.4.1
VER: v0.4.1 - reorganized codebase
BUG: Belatedly add neglected jars in the maven snapshot used for bootstrapping development (soon to vanish).
BUG: one more jar accidentally skipped by .gitignore
VER: v0.4.1 in the pom.xml, rebuilt dist jar