LB-610: Blog Provider can't be deleted when it's used in another liveblog * adjusted
LB-610: Blog Provider can't be deleted when it's used in another liveblog
* adjusted

superdesk/Live-Blog,vladnicoara/SDLive-Blog,superdesk/Live-Blog,superdesk/Live-Blog,vladnicoara/SDLive-Blog,vladnicoara/SDLive-Blog,superdesk/Live-Blog