Changes

added possibility to load contained objects in non-contained ref
Signed-off-by: Ilenia Salvadori <i.salvadori@data-in-motion.biz>

Test
- added additional test for multiple database setup
Signed-off-by: Mark Hoffmann <m.hoffmann@data-in-motion.biz>

added mongo db alias as emf.configurator.name
- added db name as emf.config.name property
- added new property database.identifier to be backward compatible
Signed-off-by: Mark Hoffmann <m.hoffmann@data-in-motion.biz>

Build dependencies
Signed-off-by: Mark Hoffmann <m.hoffmann@data-in-motion.biz>

update dependencies
- gecko emf api and component
- core test
Signed-off-by: Mark Hoffmann <m.hoffmann@data-in-motion.biz>