start neo4j in 1 minute.

1. download neo4j-1.2-unix.tar.gz from http://neo4j.org/download
2. unzip to ~/neo4j-1.2
3. ~/neo4j-1.2/bin/neo4j start

test:
curl -H Accept:application/json http://localhost:7474/db/data/

web:
http://localhost:7474/db/data/