BUGFIX! for makeStreamerSection.
BUGFIX! for makeStreamerSection.

This fixes a problem I had with comm-6 fluxparam plots. I forgot to
scale the velocity field down by exp(-(y_0/L)^2) resulting in trend with
isobath location. Haven't checked to see if this removes that trend yet.

dcherian/eddyshelf,dcherian/eddyshelf,dcherian/eddyshelf