Adding Suhosin

This PR adds initial support for the [Suhosin](http://www.suhosin.org/) extension.

- [Source](https://github.com/stefanesser/suhosin)
- [License](https://github.com/stefanesser/suhosin/blob/master/LICENSE)
- [Build instructions](http://www.suhosin.org/stories/install.html)

So far I've tested it on Lucid with PHP 5.4, 5.5, and 5.6 and it *seems* to build well. I can add a PR for the Precise and Trusty if you think everything looks OK.

What do you think?