message: update docs link to point at docs.rs
  It seems like maybe previously someone was manually producing and publishing the docs to gh-pages, and it's gotten out of date.
  It might be easier for you to just point to docs.rs which automatically builds your docs whenever you publish.
diff: # gdal
  +[![Documentation](https://docs.rs/gdal/badge.svg)](https://docs.rs/gdal)
  [![Build Status](https://travis-ci.org/georust/gdal.png?branch=master)](https://travis-ci.org/georust/gdal)
  -[Documentation](https://georust.github.io/gdal)
  -
  [GDAL](http://gdal.org/) bindings for [Rust](http://www.rust-lang.org/).
  So far, you can:
  