pom version updates
BUGFIX: when no projectentrymetadatafields are defined, return an empty
map on a GET to /entries/{entry_id}/settings
BUGFIX #2287 : reindex projectentry only after the transaction wherein
it was changed has been committed.
Added Maven Repository Switchboard to pom repositories
postgres dependency update
use a postgres version that's jdk6 compatible
use jdk6 compatible dependency
update publication-backend dependencies