Cauldron

Mhm.

![screenshot from 2014-06-14 22 54 14](https://cloud.githubusercontent.com/assets/627891/3280258/87619772-f451-11e3-90f1-cf421a01c787.png)

Basically, use `getNmsField()` and `getNmsMethod()` everywhere, which use the mappings read from Cauldron's Bukkit-to-Forge files.

The magic is here: https://github.com/riking/LibsDisguises/compare/libraryaddict:master...riking:cauldron?expand=1#diff-e9571b9c702acdb4c7caeb97e5f80ddaR98

Other assorted fixes, such as "enquipment" and DisguiseAPI using reflection to do Bukkit stuff. Added a `getEntityTrackerEntry()` method.