revert until gtk grows up

src/systray.py

@@ -250,7 +250,8 @@ class Systray:
 				if group in contact.groups and contact.show != 'offline' and \
 						contact.show != 'error':
 					at_least_one = True
-					item = gtk.ImageMenuItem(contact.name, use_underline = False)
+					s = contact.name.replace('_', '__') # two _ show one _ and no underline happens
+					item = gtk.ImageMenuItem(s)
 					# any given gtk widget can only be used in one place
 					# (here we use it in status menu too)
 					# gtk.Image is a widget, it's better we refactor to use gdk.gdk.Pixbuf allover