Add debugging code

Author: camdecoster

src/plots/map/map.js

@@ -368,7 +368,8 @@ proto.resolveOnRender = function(resolve) {
 proto.rejectOnError = function(reject) {
     var map = this.map;
 
-    function handler() {
+    function handler(e) {
+        console.error('Map error event:', e);
         reject(new Error(constants.mapOnErrorMsg));
     }