[#113] Changes and fixes to new API-using maps script
[#113] Changes and fixes to new API-using maps script

Change the API call for the "large" maps to only retrieve the project or
organisation objects and get them all in one request.

Change the pin rendering to only place a pin for the primary location on
the "large" maps.

Fix small problem with the path to pin images.

akvo/akvo-rsr,akvo/akvo-rsr,akvo/akvo-rsr,akvo/akvo-rsr