Version to 2.2.0-SNAPSHOT
bumped to support Neo4j 1.8.M07.
Add overloads for GraphSONUtility to cover raw strings and InputStream
Added a "compact" option to the GraphSONUtility #278
Addition of GraphSONMode enum to control output/input.

Includes the addition for three modes of operation: COMPACT, NORMAL, EXTENDED.
Compact mode of GraphSON now allows control of all properties serialized to GraphSON.
Use GraphSONUtility to be instantiated to cache configuration options.
Consistency in the argument order of edge/vertex properties lists.
Updated changelog with GraphSON refactoring.
Do not include inferred statements in GraphSail query results unless the 'includeInferred' argument is true (fixes an issue reported on the mailing list)
added opposite to Compare to get the inverse. Useful. Trust me.
added opposite to Compare to get the inverse. Useful. Trust me.
Support both inclusion and exclusion of properties.
Merge remote-tracking branch 'origin/master'
Ignore property names that don't fit GML standard. #290
updated changelog.
Fixed bug on reusing of underlying db
Test empty array property setting.
Merge remote-tracking branch 'nuvolo/master'
Remote snapshot dependency for orientdb.