Changed C extension to have epoch() method.
Changed C extension to have epoch() method.

I did this because I didn't care about the previous test bonjour() method and
we wanted an epoch() method that would very quickly return the seconds since
epoch.

reachlocal/late,samdvr/late,samdvr/late,samdvr/late,reachlocal/late,codebreakdown/late,codebreakdown/late