Remove Unquote dependency

```
We currently use Unquote's Type.FSharpName implementation, but that's all. In 
the future we'd like to factor that and other utilities out into a separate 
shared library, but for now we will do a copy and paste job.
```

Original issue reported on code.google.com by `stephen....@gmail.com` on 31 Jul 2011 at 2:38
