Issue #14 show crawl config

Crawl config and Crawl spec is now shown (Issue #14). It could be styled a little better, like showing `infinite` in stead of `0` for some of the values, or not using `toString()` on some of the objects. But this works good enough for my purposes right now.

![Screen Shot 2013-01-18 at 13 48 39](https://f.cloud.github.com/assets/992615/78069/8c87d72a-616d-11e2-8a76-af436a4122f5.png)