cosmetic - removed empty line
removed redundant exception declaration
fixed serialize method
made serialize method final
fixed typo in javadoc
updated neo4j dep in test-utils
moved neo4j deps to dep managment
fixed duplicate properties
added support for multiple dbs
added abstract base class for neo4j tests
improved serializer test
neo4j delegating serializer added
javadoc
dumping to serr on error
cosmetic
added sample for delegating serializers