Update Django Project Templates to use Postgis 2.0 and Django 1.5

# Into the future.
![1362775335_652496e2b8078ae9f38538857851f56e](https://f.cloud.github.com/assets/856628/718721/c9ace92a-df6b-11e2-9a5d-47ecc1c81b2d.jpg)
Notable reads:
- Django docs: [Creating a spatial database with PostGIS 2.0 and PostgreSQL 9.1+](https://docs.djangoproject.com/en/dev/ref/contrib/gis/install/postgis/#creating-a-spatial-database-with-postgis-2-0-and-postgresql-9-1)
- GIS StackExchange: [How to create PostGIS template?](http://gis.stackexchange.com/a/39229)