public class func addUserToChatList(jidStr jidStr: String) {
        if !knownUserForJid(jidStr: jidStr) {
            sharedInstance.chatList.addObject(OneRoster.userFromRosterForJID(jid: jidStr)!)
            sharedInstance.chatListBare.addObject(jidStr)
        }
    }

// Usage:
OneChats.addUserToChatList(jidStr: recipient.jidStr)