OPENDJ-1116 Introduce abstraction for the changelog DB

Jean-Noel Rouvignac

12.22.2013 207cfae7111af06d52afcfab71b2c80b87fe473a

opendj-sdk/opends/src/server/org/opends/server/replication/server/ReplicationDBException.java does not exist in tree 46abe5d5b38dd064b676ef700725fda2bc4e29a1