Remove System.Web dependency

[dazinator]

System.Web is used for it's databinder, in order to format version strings to a template.

We need to get rid of it. It's hampering our ability (#1175) to build for netstandard.

[dazinator]

Something like this might be a good replacement for databinder.eval: https://stackoverflow.com/questions/5656256/is-there-a-fast-version-of-databinder-eval-for-c