chg: Events without attributes - warning for users and owner, fixes #1189
chg: Events without attributes - warning for users and owner, fixes #1189

Rafiot/MISP,devnull-/MISP,devnull-/MISP,SteveClement/MISP,SteveClement/MISP,TheDr1ver/MISP,RichieB2B/MISP,devnull-/MISP,RichieB2B/MISP,crruthe/MISP,RichieB2B/MISP,devnull-/MISP,crruthe/MISP,FIRSTdotorg/MISP,Rafiot/MISP,FIRSTdotorg/MISP,TheDr1ver/MISP,MISP/MISP,Rafiot/MISP,FloatingGhost/MISP,cristianbell/MISP,SteveClement/MISP,MISP/MISP,crruthe/MISP,RichieB2B/MISP,FIRSTdotorg/MISP,Rafiot/MISP,FloatingGhost/MISP,SteveClement/MISP,cristianbell/MISP,FIRSTdotorg/MISP,MISP/MISP,TheDr1ver/MISP,TheDr1ver/MISP,MISP/MISP,cristianbell/MISP,MISP/MISP,FloatingGhost/MISP,FloatingGhost/MISP,crruthe/MISP,cristianbell/MISP,SteveClement/MISP