Merge pull request #220 from Gordon-Beeming/FixBase64ImageDownload

added code to not attempt to download base64 embeded images

src/managed/OpenLiveWriter.CoreServices/WebRequest/PageAndReferenceDownloader.cs

@@ -232,6 +232,10 @@ namespace OpenLiveWriter.CoreServices
         /// <param name="progressHost">The progressHost to provide feedback to</param>
         private void DownloadReference(ReferenceToDownload reference, FileBasedSiteStorage fileStorage, IProgressHost progressHost)
         {
+            if (IsBase64EmbededImage(reference.AbsoluteUrl))
+            {
+                return;
+            }
             UrlDownloadToFile downloader;
             string fullPath;
 
@@ -346,6 +350,12 @@ namespace OpenLiveWriter.CoreServices
             }
         }
 
+        private bool IsBase64EmbededImage(string url)
+        {
+            return url.StartsWith("data:image/", StringComparison.InvariantCultureIgnoreCase) &&
+                            url.ToLowerInvariant().Contains("base64");
+        }
+
         /// <summary>
         /// Used to actually commit the HTML to disk
         /// </summary>