Putting nginx webrequest logs back in the main udp2log multicast stream.

This will allow webstatscollector to continue to produce stats about ssl and IPv6 requests.
The PacketLossLogtailer.py ganglia module now manually ignores requests from SSL pybal role hosts,
which should keep the incorrect nginx sequence numbers from skewing the packet loss metrics.

Change-Id: I7d67ee797d403a64ff6ba6a71287524669b128b2