initial map position made to match with the data in sample.sql.

This is done to show case the functionality of this app to other developpers who might consider participating in its development
Reformated href links and domain-name to work on localhost.
Intead of having the href point to files in a way that's in accordance with nginx, now its made to work with
django's development server.
made it obvious which parts of the file to change:
where it says "/parking/plan/folder" is where you need to substitute for your server setup
updated the readme