Add missing resolve for font obj and make sure image objs ids are strings as well

fonts.js

@@ -217,6 +217,7 @@ var FontLoader = {
         if (fontObj.loading) {
           return false;
         }
+        Objects.resolve(fontObj.loadedName);
       }
 
       document.documentElement.removeEventListener(

pdf.js

@@ -4183,7 +4183,7 @@ var PartialEvaluator = (function() {
         var h = dict.get('Height', 'H');
 
         if (image instanceof JpegStream) {
-          var objId = ++objIdCounter;
+          var objId = 'img_' + ++objIdCounter;
           handler.send("obj", [objId, "JpegStream", image.getIR()]);
 
           // Add the dependency on the image object.

worker.js

@@ -261,6 +261,7 @@ var WorkerPDFDoc = (function() {
         case "JpegStream":
           var IR = data[2];
           new JpegStreamIR(objId, IR);
+          console.log('got image');
         break;
         case "Font":
           var name = data[2];