Initialise viewbridges ASAP. "complete" waits until everything including images are done.

Sometimes "interactive" gets skipped entirely, going directly to "complete" - we need to accept that too.
Fix for IE10 not handling readyState == 'interactive' properly.

Author: NiallSmyth

resources/resource-manager.js

@@ -313,12 +313,15 @@ window.resourceManager =
         var self = this;
 
         var interval = setInterval(function () {
-            if (document.readyState == "complete") {
+            // IE10 and lower don't handle "interactive" properly - it fires before the DOM is loaded
+            // Check for attachEvent to detect IE10 and lower (it was removed in IE11)
+            // Otherwise if the readyState isn't "loading" then it's either "complete" or "interactive"
+            if (document.attachEvent ? document.readyState === 'complete' : document.readyState !== 'loading') {
                 clearInterval(interval);
 
                 self.documentReady = true;
                 self.runWhenDocumentReady(callBack)
             }
         }, 11);
     }
-};
+};