[ubuntu-za] Switch to Mediawiki

[Jonathan Carter (highvoltage)]

Hi Morgan

Morgan Collett wrote:
> While we have epically failed to implement a better moin theme
> (despite a few attempts), at least there are moin Ubuntu themes:
> https://wiki.ubuntu.com/Templates
> 
> We would need a Mediawiki theme.

I'll get in contact with Ubuntu India and ask if we can borrow their
theme: http://www.ubuntu-in.org/wiki/Main_Page

-Jonathan