Fixed map loading (#240)

* Fixed fonts

* Fixed assets

* Fixed logo in emails

* Switched to immediate email delivery

* Fixed prod emails and added deployment tasks

* Fixed deployments

* Updated README

* Added Bike Collectives Core to README

* Fixed issue with map loading

* Fixed issue with map loading

app/assets/javascripts/map.js

@@ -33,7 +33,7 @@
       });
     };
 
-    d3.json('/assets/world-110m.json', function(error, world) {
+    d3.json(document.getElementById('map').getAttribute('data-src'), function(error, world) {
       if (error) {
         throw error;
       }

app/views/conferences/list.html.haml

@@ -5,7 +5,7 @@
 
 - content_for :banner do
   #header-title.map
-    %svg#map.loading{preserveAspectRatio: 'xMinYMin slice', viewBox: "0 0 1880 550"}
+    %svg#map.loading{preserveAspectRatio: 'xMinYMin slice', viewBox: "0 0 1880 550", data: { src: asset_path('world-110m.json') }}
     #tooltip
 
 %article