Ripples move slowly

When using the new water shaders with reflection, the ripples move incredibly slowly across the surface of the water. They also tend to follow an odd directional pattern, only appearing behind where the player was moving in the water.

(RM-1383 from redmine: created on 2014-06-03 by Kyle Willey, , closed on 2014-09-12 by nobody, duplicates #1649 (closed))