TileMill is a modern map design studio powered by open source technology.
Installation instructions, development docs and other information are available
at [tilemill.com](http://tilemill.com).

TileMill is a modern map design studio powered by open source technology.
Installation instructions, development docs and other information are now
available at `index.html` or [tilemill.com](http://tilemill.com).

Revert "Installation instructions are no longer available in index.html" because they are available there, albeit with a redirect.
Revert "Installation instructions are no longer available in index.html" because they are available there, albeit with a redirect.

This reverts commit 19a8852ba04fe8b6877a4de0eda5f2772fd35aa5.
