Fixes the strange '<' rendering issue on github.

This fixes the strange 'lesser than' rendering issue of the README here on github.

![screenshot 2014-02-24 00 15 52](https://f.cloud.github.com/assets/219704/2241739/82ac49ac-9ce0-11e3-8ebc-fbfeffbceb7d.png)

![screenshot 2014-02-24 00 16 49](https://f.cloud.github.com/assets/219704/2241741/98bb8758-9ce0-11e3-8e53-0a805a8d7806.png)

Signed-off-by: Markus Hubig <mhubig@gmail.com>