basic jpa domain

Signed-off-by: Markus Lamm <markus Lamm@googlemail.com>
adjust eventing, use generic event interface

Signed-off-by: Markus Lamm <markus Lamm@googlemail.com>
adjust repository

Signed-off-by: Markus Lamm <markus Lamm@googlemail.com>
first NOT WORKING jpa-neo4j mix

Signed-off-by: Markus Lamm <markus Lamm@googlemail.com>