ECL-192
Zookeeper maven profile for UIS rest service

Maven profile to enable service registration with zookeeper.
Merge branch 'master' of
https://github.com/europeana/Europeana-Cloud.git

Conflicts:
	service/uis/rest/pom.xml
ECL-192
Zookeeper maven profile for UIS rest service

Maven profile to enable service registration with zookeeper.