Show whole world by default, before geolocation.

Resolves ticket #882347 (https://bugzilla.mozilla.org/show_bug.cgi?id=882347).

static/js/events/map/index.js

@@ -1,10 +1,9 @@
 define(['jquery', 'google', 'map/map_maker', 'map/forms'],
 function ($, google, MapMaker, EventForms) {
 
-    var defaultZoom = 13;
     var mapCenter = new google.maps.LatLng(37.774546, -122.433523);
     var mapOptions = {
-        zoom: defaultZoom,
+        zoom: 2,  // starting zoom level, show whole world
         mapTypeId: google.maps.MapTypeId.ROADMAP,
         center: mapCenter,
 

static/js/events/map/map_maker.js

@@ -175,6 +175,7 @@ function ($, google, InfoBubble, OverlappingMarkerSpiderfier, MarkerClusterer) {
 
         if (navigator.geolocation) {
             navigator.geolocation.getCurrentPosition(getCurrentPosition_success, getCurrentPosition_error, options);
+            google_map.setZoom(13);
         } else {
             console.log("Sorry - your browser doesn't support geolocation!");
         }