Replace google maps with openstreetmap
Merge pull request #3 from simonlopez/master

Replace google maps with openstreetmap, thanks @slopez

A branch now exists with the gmaps code.
Fix map.js

The locName variable was not defined.
Also remove closePopupOnClick as it's the default value.

Signed-off-by: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Merge branch 'master' into gh-pages

This branch will be the "production" branch as master should not contains
specific data files