[UI] added additional information on how to share projects

Surprisingly you must connect first before you can even use the
suggested options. Added an additional information that will show up if
the user is not connected (to what network ever)

Change-Id: I1fd46d9bf7a23deee71e5e8ae0cb30a845f6d182
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1679
Tested-by: Jenkins CI
Reviewed-by: Stefan Rossbach <srossbach@arcor.de>