changed meetings notify time to 7 days

meetings.py

@@ -32,4 +32,4 @@ def update_meeting():
 	modify('''REPLACE INTO announcements
 			(extid, text, level, visible, time_publish, time_expire, time_created, time_updated, created_by)
 			VALUES (?, ?, 0, 1, ?, ?, ?, ?, 0)''',
-		'ical:'+uid, text, start-timedelta(days=3), start+timedelta(hours=2), datetime.now(), datetime.now())
+		'ical:'+uid, text, start-timedelta(days=7), start+timedelta(hours=2), datetime.now(), datetime.now())