Put the album downloader in a thread.

Chan/src/org/floens/chan/utils/ImageSaver.java

@@ -62,6 +62,9 @@ public class ImageSaver {
                 .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
                     @Override
                     public void onClick(DialogInterface dialog, int which) {
+                        new Thread(new Runnable() {
+                            @Override
+                            public void run() {
                                 for (Uri uri : list) {
                                     DownloadManager.Request request = null;
                                     try {
@@ -77,6 +80,8 @@ public class ImageSaver {
                                     dm.enqueue(request);
                                 }
                             }
+                        }).start();
+                    }
                 }).show();
     }