FR #1346 UDP log path should include the year

The only reason this worked on the cluster is because we were
hand setting UDP_LOG_PATH to /archive/udplogs/2013. I've updated
it again by hand on Al to make it work; but this is the more
sustainable option.

Change-Id: I3f4c1da7dd02da467e1e4747a36860db45eba0b4