 Add notification for content_templates. [SDESK-4828] (#1743)
 Add notification for content_templates. [SDESK-4828] (#1743)

*  Add notification for content_templates. SDESK-4828
superdesk/superdesk-core,superdesk/superdesk-core,superdesk/superdesk-core,petrjasek/superdesk-core,petrjasek/superdesk-core,petrjasek/superdesk-core,petrjasek/superdesk-core,superdesk/superdesk-core