Dev: Animated GIFs for Weather views (another example)

One of the problems with looking at weather forecasts is that they change over time.

In particular the local forecast for the dry and saturated lapse rates needed some kind of animation to make it easier to see what was happening over the day.

Well, a quick and easy method on how it was done has been added to the development posts. An example of the output is below.

skewt-rat-animated