deis/deis — pull request #2563 by aledbf (2014-11-21 15:43:58+00:00)
Title: feat(user-data): enable time synchronization on startup

Enable the use of ntp in the system clock (is disabled by default) and set the timezone to UTC (CoreOS recommendation).

https://coreos.com/docs/cluster-management/setup/configuring-date-and-timezone/
http://www.freedesktop.org/software/systemd/man/timedatectl.html

closes #2518