Initial commit
Implement some stuff.
mint identifiers, etc..
Drop postgresql for neo4j.

Going through several layers (rdflib -> rdflib-sqlalchemy -> sqlalchemy -> psycopg2 -> postgres)
seemingly makes it difficult to get transactions.  So let's try a real graph database.
Prototype neo4j.

Ooph... getting RDF into neo4j is a fair amount of effort.  Perhaps a real triplestore is better.
Let's try fuseki.
Write fuseki configuration to etc/
Clean up setup and implement minting identifiers using redis.
vocab:changeset to sparql update is now working with fuseki.
proof of concept edit code.
Improvements.
Wrap up configuration generation.
minor tweaks to get ready for implementing bin/service.
some changes.
Add style checks.
Add travis.yml, even though I'm not pushing to github yet.
Implement editing.