- fix for Jabber popup menu;
- all calls of MS_CLIST_GETCONTACTDISPLAYNAME are replaced with direct calls of CLIST_INTERFACE;
- old unneeded function removed

git-svn-id: http://svn.miranda-ng.org/main/trunk@4434 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c