o Minor bugfixes (systemd support):
    - Fix detection and operation of systemd watchdog. Fixes part of
      bug 14141; bugfix on 0.2.6.2-alpha. Patch from Tomasz Torcz.

    - Run correctly under systemd with the RunAsDaemon option set.
      Fixes part of bug 14141; bugfix on 0.2.5.7-rc. Patch from Tomasz
      Torcz.

  o Minor featurs (systemd support):
    - Inform the systemd supervisor about more changes in the Tor process
      status. Implements part of ticket 14141. Patch from Tomasz Torcz.