Currently, on the [blog](https://alshedivat.github.io/al-folio/blog/)
page, clicking "older" and "newer" on the pagination at the bottom
direct you forward to links like `/al-folio/blog/page/2/` and backward
to `/al-folio/blog/`.
However, if you click on the `1`, `2`.. etc buttons, there is a
different behavior. The links now contain an `index.html`. For example,
clicking `2` leads you to `/al-folio/blog/page/2/index.html`. It is the
same content, just with a messier hyper link. Same with clicking `1`,
you are brought to `/al-folio/blog/`.
This fix creates a consistency among the hyper links in pagination.
be52a965e3