Merge pull request #904 from rails/revert-893-use-secure-thor-link

Revert "Use secure whatisthor.com link"

Author: rafaelfranca

README.md

@@ -30,7 +30,7 @@ Usage and documentation
 Please see the [wiki][] for basic usage and other documentation on using Thor. You can also check out the [official homepage][homepage].
 
 [wiki]: https://github.com/rails/thor/wiki
-[homepage]: https://www.whatisthor.com/
+[homepage]: http://whatisthor.com/
 
 Contributing
 ------------