Moved to PostGIs for a gegraphical database.

Added docs and packages to get it working.
Added the maps app.

This app has been ported directly from the SustainableSouk, so some of the variable are still used like that in the JS.

I wrote it, we need it, I've plugged it.
Merge pull request #10 from e-Luminate/9-location

Introducing the ability to put location on the map fix #9