added hangup for left 3way vicidial_conferences in conf_update script git-svn-id: svn://192.168.202.10@958 3d104415-ff17-0410-8863-d5cf3c621b8a
added hangup for left 3way vicidial_conferences in conf_update script git-svn-id: svn://192.168.202.10@958 3d104415-ff17-0410-8863-d5cf3c621b8a