remove a fixme; remove old and replace with that we really mean by old, so we do not get confused with date

src/common/connection.py

@@ -2060,7 +2060,7 @@ class Connection:
 					cached_sha = vcard['PHOTO']['SHA']
 					if self.vcard_shas.has_key(jid) and self.vcard_shas[jid] != \
 						cached_sha:
-						# we had an old cached vcard
+						# user change his vcard so don't use the cached one
 						return {}
 			vcard['jid'] = jid
 			vcard['resource'] = gajim.get_resource_from_jid(fjid)

src/gajim.py

@@ -673,7 +673,6 @@ class Interface:
 			jid + '/' + resource):
 			win = self.instances[account]['chats'][jid + '/' + resource]
 		if win:
-			# FIXME: this will be removed when we have the thread working
 			win.show_avatar(jid, resource)
 		# Show avatar in roster
 		self.roster.draw_avatar(jid, account)

src/gtkgui_helpers.py

@@ -425,7 +425,8 @@ def get_avatar_pixbuf_from_cache(jid):
 	'''checks if jid has cached avatar and if that avatar is valid image
 	(can be shown)
 	returns None if there is no image in vcard
-	returns 'ask' if vcard is old (we have new sha) or if we don't have the vcard'''
+	returns 'ask' if cached vcard should not be used (user changed his vcard,
+	so we have new sha) or if we don't have the vcard'''
 	if jid not in os.listdir(gajim.VCARDPATH):
 		return 'ask'