maven plugin updates
maven plugin updates

Change-Id: I50b5a57f2f236b1fba66e53805462a59c25d0618

gkatsikas/onos,gkatsikas/onos,opennetworkinglab/onos,opennetworkinglab/onos,kuujo/onos,gkatsikas/onos,kuujo/onos,oplinkoms/onos,oplinkoms/onos,oplinkoms/onos,oplinkoms/onos,kuujo/onos,opennetworkinglab/onos,opennetworkinglab/onos,kuujo/onos,gkatsikas/onos,kuujo/onos,kuujo/onos,gkatsikas/onos,kuujo/onos,oplinkoms/onos,opennetworkinglab/onos,oplinkoms/onos,gkatsikas/onos,oplinkoms/onos,opennetworkinglab/onos