Added support for Django 1.2-style database settings

[kerin]

Hi,

I've edited config.py to support both Django 1.2 and <1.2 style database settings and tested on both, if you want to pull.

Cheers,

Kerin

[phill-tornroth]

Big +1. Pulled this into mainline last night and worked nicely for me w/ Django 1.2. Thanks :)

[dbrgn]

+1. Please merge.