[documentation] Configuring a Drupal site: a case study

[Charlie Lowe]

Kobus Myburgh wrote:
> Farsheed,
> 
> Great work with this! I think this should be put under the case studies section in the handbook.

I agree. Eventually, I think we may need to abstract some of these in 
that section and put the actual texts in the Configuration and 
Customization handbook (this about customization), but this is the best 
location for now.