fixed broken compute nodes list for cloud detauils (see ECLIPSE-1043)
fixed ECLIPSE-1040 - multiple fabric navigator/explorer views
fixes stack overflow error when closing a camel context via jmx (see ECLIPSE-1039)
prepared logic for deleting a version (ECLIPSE-1035) - though, Fabric doesn't support that atm
fixed warning about missing site when creating fabric in the cloud (see ECLIPSE-1037)
fixed possible causes of stackoverflow errors
reworking save logic of the editor (see ECLIPSE-1042)
fixes missing user in fabric (see ECLIPSE-1036)