Merge pull request #2062 from Gared/enable_import_buttons

Fix #1835 Enable import buttons after failed import (timeout)

src/static/js/pad_impexp.js

@@ -77,6 +77,7 @@ var padimpexp = (function()
         }
         currentImportTimer = null;
         importFailed("Request timed out.");
+        importDone();
       }, 25000); // time out after some number of seconds
       $('#importsubmitinput').attr(
       {