TODC Bootstrap uses [GitHub's Releases feature](https://github.com/blog/1547-release-your-software) for its changelogs.

See [the Releases section of our GitHub project](https://github.com/todc/todc-bootstrap/releases) for changelogs for each release version of TODC Bootstrap.

Add changelog file that points to GitHub Releases
Add changelog file that points to GitHub Releases

BS3 commits: 0db18386a295a3fc6bf7bd48a047c0d8aa10a77e
