Prepare for next development iteration

Change-Id: I92c5c400a9d43c060a5a874657d6b316c823e1b0
pom.xml: Add fields required by maven central

Change-Id: I57b4c45e9f327d8dc1428e59d60ea26f97e27820
Prepare release 3.0.3

Change-Id: Ib64102d0c8a373076929708031bc2a987068ec40