a1c2512 webui: publish network activity topics

Authored and Committed by pvoborni 9 years ago
    webui: publish network activity topics
    
    Network activity is now published through global topics. It allows other
    components like activity_widget to listen to them.
    
    https://fedorahosted.org/freeipa/ticket/3903
    
    Reviewed-By: Adam Misnyovszki <amisnyov@redhat.com>