0.7 was released meanwhile and also the repository url changed - m2.neo4j.org was removed (already unused for a while as I was told).
here are the repositories for neo4j
Code:
<repository>
<id>neo4j-public-snapshot-repository</id>
<name>Neo4J Public Snapshot Repository</name>
<url>http://m2.neo4j.org/snapshots</url>
<snapshots>
<enabled>true</enabled>
</snapshots>
</repository>
<repository>
<id>neo4j-public-release-repository</id>
<name>Neo4J Public Release Repository</name>
<url>http://m2.neo4j.org/releases</url>
</repository>