[PRIVILEGE] [PUBLISHER] added Livesite Editor privilege
[PRIVILEGE] [PUBLISHER] added Livesite Editor privilege

SDESK-1618

mugurrus/superdesk-core,superdesk/superdesk-core,petrjasek/superdesk-core,marwoodandrew/superdesk-core,hlmnrmr/superdesk-core,mugurrus/superdesk-core,petrjasek/superdesk-core,ioanpocol/superdesk-core,marwoodandrew/superdesk-core,mugurrus/superdesk-core,ioanpocol/superdesk-core,petrjasek/superdesk-core,nistormihai/superdesk-core,mdhaman/superdesk-core,superdesk/superdesk-core,superdesk/superdesk-core,superdesk/superdesk-core,petrjasek/superdesk-core,nistormihai/superdesk-core,mdhaman/superdesk-core,hlmnrmr/superdesk-core,mdhaman/superdesk-core,ioanpocol/superdesk-core