- Tweak install chapter of French manual to add new paragraph

  from English.
- Tweak restore tree message to be a bit clearer.
- Modify watchdog to wakeup after 60 seconds, or wakeup if
  there is work to do.
- Modify watchdog stop routine to ping watchdog so that it
  stops immediately rather than after sleep time.
- Fix btape to use new dcr blocks rather than its own.
- Fix butil.c to correctly handle Volume names for the
  utility routines (broke when updating to dcrs).