Minor: update to node-neo4j 1.0 and Neo4j 1.9.
Update to node-neo4j 1.1.
Update Cypher queries for Neo4j 2.0.

This is the bare minimum set of changes needed for this app to still
function with Neo4j 2.0. =)
Update readme with general installation instructions.
Support Heroku GrapheneDB add-on.
Update readme with deployment instructions.
Fix #3: don't swallow db errors.
Minor tweaks to readme deployment section.
More readme tweaks and improvements.
Merge pull request #1 from aseemk/master

Re-sync Fork