Add hotkey for Help menu.
I have a 'bitmask' and 'help' menu. Bitmask has the +B+ underlined, Help doesn't have any underlined letters, so while I can press alt-b to get straight into the bitmask menu, i can't go straight to help with my keyboard.
(from redmine: created on 2014-03-31, closed on 2014-04-02)