More photography stuff

![sepia](https://cloud.githubusercontent.com/assets/7573912/4816166/29ee2ece-5edd-11e4-952f-0baea4695837.png)

* Fixed a bug where tables wouldn't appear properly on pictures.
* Cameras produced from the Sepia Slime Extract + Plasma reaction will take pictures in sepia.
* Sepia Cameras pictures will show invisible mobs (such as Ghosts, booooo)
> istype(src

![1397442106693](https://cloud.githubusercontent.com/assets/6355724/4837280/4b39808c-5fd3-11e4-942b-649801a296d6.gif)