Add puavo-set-sane-date.conf upstart script that makes sure
that machine clock is between years 2010-2020 (roughtly).
Needed for openvpn to work in case machine clock does not keep time.
Allow disabling puavo-install-and-update-ltspimages from the
filesystem (touch /images/DISABLE_IMAGE_UPDATES).
For development and emergencies.
Install lynx to bootservers.  The One True Browser.
Do install ntp to bootservers, really.
Configure ntpd for bootservers.
Use ntp on laptops and ltspservers also (but not on other host types).
Use ntp servers on puavo domain and topdomain (if set).
Update control

Take out nscd conflict. It will be replaced by nscd.conf that makes it not to run.
One should never use web tools to edit git repos. Reverting the last commit
that should go to a different branch. Duh. Friday. And all that....