/itemname, /itemlore, and updated /enchant

* Added /itemname to set an item's name
* Added /itemlore to set an item's lore (multiple lines supported)
* Updated /enchant to allow non-vanilla enchants. (For your Sharpness IX
 stick needs. :P)

![screen shot 2014-10-28 at 11 48 17 pm](https://cloud.githubusercontent.com/assets/6827872/4820904/b8ee6f52-5f1f-11e4-9f78-77660230c7cf.png)