Increase replication protocol version to 3 + code cleaning

pgamba

19.55.2009 0a15c3e6aa9e1fa7fc20f730b3fcf6400fa86e85

 opends/src/server/org/opends/server/replication/protocol/ModifyDNMsg.java

@@ -324,7 +324,7 @@
        "\nnewSuperior: " + newSuperior +
        "\ndeleteOldRdn: " + deleteOldRdn;
    }
    if (protocolVersion == ProtocolVersion.REPLICATION_PROTOCOL_V2)
    if (protocolVersion >= ProtocolVersion.REPLICATION_PROTOCOL_V2)
    {
      return "ModifyDNMsg content: " +
        "\nprotocolVersion: " + protocolVersion +