Subscibing & Import subscribers is not working.

Thanks for latest updates.
1) After latest update 1.0.1.5 & 1.0.1.6 subscribing on front-end still not working, previously it also not working. After providing First Name,Last Name & email when I click “Sign Me Up!” nothing happpens.

2) Import subscribers funnctionality is not functional.There is no “Import” button generated in “Import subscribers” functionality.Only upload button if seen.