Switch to side-by-side view

--- a/Allura/allura/model/filesystem.py
+++ b/Allura/allura/model/filesystem.py
@@ -94,7 +94,7 @@
         if not embed:
             pylons.response.headers.add(
                 'Content-Disposition',
-                'attachment;filename=%s' % self.filename)
+                'attachment;filename="%s"' % self.filename.encode('utf-8'))
         return iter(fp)
 
     @classmethod