Favorites and database fixes, players info and extended server config.

Adding a favorite server now requires created valid profile. It will
not allow to create favorite server without proper profile.

Fixed servers updating database, now they put all fields there.

Added stubs for players info and extended server config things in
database.

ui/favorite.go

@@ -186,6 +186,16 @@ func (f *FavoriteDialog) saveFavorite() error {
         return errors.New("No server address specified")
     }
 
+    if len(f.profile.GetActiveText()) == 0 {
+        mbox_string := "Profile wasn't selected.\n\nPlease, select valid profile for this server.\nIf you haven't add profiles yet - you can do it\nin options on \"Urban Terror\" tab."
+        m := gtk.NewMessageDialog(f.window, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, mbox_string)
+        m.Response(func() {
+            m.Destroy()
+        })
+        m.Run()
+        return errors.New("No game profile specified")
+    }
+
     var port string = ""
     if strings.Contains(f.server_address.GetText(), ":") {
         port = strings.Split(f.server_address.GetText(), ":")[1]