Change blog categories list to be in ALL CAPS for ZA. Closes #1096

Produces a menu that looks like this:

![blog_posts____pombola_south_africa-4](https://f.cloud.github.com/assets/187630/1741865/ec891120-63ec-11e3-96ef-9eac89411b65.png)

As it happens it would also be possible to produce small caps using:

``` CSS
font-variant:small-caps;
```
![blog_posts____pombola_south_africa-3](https://f.cloud.github.com/assets/187630/1741863/d6dba22a-63ec-11e3-9d05-413639aa14dd.png)