OAK-1266 - update Postgres JDBC version

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1603420 13f79535-47bb-0310-9956-ffa450edef68
OAK-1266 - fix typo in log message

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1603421 13f79535-47bb-0310-9956-ffa450edef68