Fix display when using grappelli and fix setup.py

Hey, thanks for the very handy tool.

I've done a couple of hacks to get everything working grappelli. The rendering isn't quite right yet, but at least it's usable. See attached image.

Also I fixed the setup.py to install the templates.

![Screen Shot 2013-04-05 at 10 37 38 AM](https://f.cloud.github.com/assets/229943/342028/41819574-9d89-11e2-80b3-6a347a79efc6.png)