Template for /about/forums port for Bug 896474 (IN PROGRESS)

What's here can be reviewed, but it still needs to include generated content from SVN. See [Bug 896474](https://bugzilla.mozilla.org/show_bug.cgi?id=896474) for details.
Looks like this forum has closed and moved elsewhere? https://groups.google.com/forum/#!topic/mozilla-labs-personas/msw4p1jA05I