WYSIWYG comments / forums

Finishing off the initial SCEditor integration work.

Creating new thread:
![Creating new thread](http://jbrt.org/ddg/wysiwyg-1.png)

Viewing new thread:
![Viewing new thread](http://jbrt.org/ddg/wysiwyg-2.png)

Replying:
![Replying](http://jbrt.org/ddg/wysiwyg-3.png)

Outstanding issues:

- Textarea width not filling containing div.
- Font should be serif to match more closely what will be rendered
- Content load shield kills images

@sdougbrown might pick your brains on this later?

@zekiel you can check out the current state of affairs on https://view.dukgo.com/ (alongside the last set of password form changes)