Change docker-version.
Change docker-version.

Downgrade docker-java version so that it is available in maven central.

Change-Id: Ieafd28d3e41486f7c3dfd08fe4272272e1ee02ca

sapcc/monasca-api,hpcloud-mon/monasca-events-api,openstack/monasca-api,oneilcin/monasca-events-api,openstack/monasca-api,oneilcin/monasca-events-api,oneilcin/monasca-events-api,stackforge/monasca-api,sapcc/monasca-api,stackforge/monasca-api,hpcloud-mon/monasca-events-api,hpcloud-mon/monasca-events-api,sapcc/monasca-api,openstack/monasca-api,hpcloud-mon/monasca-events-api,stackforge/monasca-api,oneilcin/monasca-events-api,stackforge/monasca-api