Add NEI support for Crafting stations.

Allows crafting stations to be accessed just like a regular crafting
table. The most visible improvement is the ability to auto-fill the
crafting table from the NEI recipe list.

It fixes the incorrectly implemented support.

![2013-11-03_23 42 22](https://f.cloud.github.com/assets/339225/1461008/d3ecdefe-4488-11e3-96d2-511036059589.png)