fix another utf-8 issue in reminder.py

reminder.py

@@ -80,6 +80,6 @@ for vote in c.execute('select id, id_group, date_end, title from votes where is_
                 server = smtplib.SMTP(SMTP_SERVER)
                 print EMAIL
                 print user[1]
-                print BODY
+                print BODY.encode('utf-8')
                 server.sendmail(EMAIL, user[1], BODY.encode('utf-8'))
                 server.quit()