Seed Neo4j backend
neo
Code Generator + RelBackedSet
Properly support valuetypes in slots
Hacks. Relations need reviewing
Config
DomainClassInfo's lastKey is now populated using index data

  * I.e., selecting the max oid from the range corresponding to
    this server id.
Acquire a WriteLock on the root node
Fix TxManager name
Don't lookup the node when we are doing Node -> DomainObject
Relations working take 1
Deletes
Bug Fix: Properly handle enums
Rename Neo4jDomainObject.getNode() to get$node(), to avoid method name conflicts
Read Locks. Review this!
Restart
Use getSingleRelationship
Don't use the reference node. It is evil
Extracted oid property to a static value
Refactor: Initialization code now all in one place