closes #1421

Thanks to Heather Gilmore, my wife, for grey-scaling the image. :-*

use of the interators to jide more of the underlying details.

catch icq. and icq but not icqsucks.org as jid that relates with transport. thx to knuckles for the idea

get_actor --> get_name_from_jid so it is visible it is on gajim level and not on xmppy (lower) lever