[systemd] Make sure we dbus socket is there when sensord is starting. Also fix some minor service file typos.

Signed-off-by: Marko Saukko <marko.saukko@jollamobile.com>
Merge pull request #12 from rburchell/master

Remove custom logging framework
Merge pull request #11 from saukko/master

[systemd] Make sure we dbus socket is there when sensord is starting. Al...
[sensorfw] bump version to 0.7.3.18
Remove leftovers of removed logging options.
[sensorfw] Restore mce configuration.

Listening to mce provides handling of some situations when the display is
off, although sensord still does not appear to completely go to sleep.