Register VRE Users 2.4.0 API

Packages

Package	Description
org.gcube.portlets.admin.manageusers.client
org.gcube.portlets.admin.manageusers.client.presenter
org.gcube.portlets.admin.manageusers.client.view
org.gcube.portlets.admin.manageusers.server
org.gcube.portlets.admin.manageusers.server.portlet
org.gcube.portlets.admin.manageusers.shared