Merge pull request #19 from kmussel/master

can add props and relationships without being persisted
Merge pull request #20 from kmussel/master

added new files for last commit
Merge pull request #21 from kmussel/master

fixed connection
Clean up puts
Merge pull request #22 from kmussel/master

added load and loaded? method on java_vertex
merge confilcts
Merge remote-tracking branch 'upstream/master'
Fix edges_instance_spec
Merge remote-tracking branch 'upstream/master'
fixed tests