re-introduce button in notification in order to see it fully on screen. I just took Andrew's code from #1388 patch04. Fixes #1537

closed the connection

we have to remove group from contact instances before removing them from roster so that gajim.groups in cleaned up. Fixes #1778

when we edit groups of a contact, groups of all brothers are also updated to they are sync. Fixes #1770

use kbd_input.png (previously rename.png) for rename menuitems in roster;better names for making menus methods in roster;add (comment out though as it has a problem) rename for transport

[jim++] use message text if user does not give message title. message == preset message [in prefs window]