backports from v194+
    
    - Fix for broken fstab mounts in 44-18.
    - Revert the ntp migration code. Not going to do it in F17.
    - Backports from upstream v194+:
    - PartOf= dependencies
    - enabling/disabling of instantiated units
    - usability improvements for systemctl:
      - systemctl status /home
      - systemctl status /dev/foobar
      - implied .service suffix
    - new timeouts TimeoutStartSec=, TimeoutStopSec=
    - understand PARTUUID=, PARTLABEL= in fstab
    - new conditions ConditionHost=, ConditionFileNotEmpty=
    - tmpfiles: globbing support with 'w' mode
    - various fixes
    - Resolves: #752774, #767795, #802198, #855863, #856975, #858266, #858754,
    -           #858771, #858777, fdo#39386, fdo#54448, fdo#54522, fdo#54766