Add parsoid-tests.wikimedia.org proxy forward to misc

ruthenium will host the parsoid rt test web interface, so add a proxy forward
for parsoid-tests.wikimedia.org to the web interface running on port 8001.

See https://rt.wikimedia.org/Ticket/Display.html?id=6980.

Change-Id: I2cab39bd568cb51a7dabf7091b392daf1a6e8270
Merge "Add parsoid-tests.wikimedia.org proxy forward to misc" into production