Previously, inner servers (ops and fs) would use "boss" as their ntp(date)
server, but boss wasn't running an NTP server. Turns out they were not really
using boss anyway (except for the initial ntpdate call) because they still
had the outer Emulab /etc/ntp.conf file which pointed the servers to
ntp1.emulab.net. That would work fine unless the elabinelab was firewalled.
Inner nodes would use inner ops which would work, but inner ops might be
isolated.

Now by default, inner servers and nodes will use inner boss ("ntp1" is
redefined in DNS to point there instead of ops). The firewall rules let
inner boss talk to "ntp1" on the outside (ops), so this should always work!