Students can now see their submissions past due date

vpl.class.php

@@ -1526,7 +1526,7 @@ class mod_vpl {
                     }
                     $tabs [] = vpl_create_tabobject( 'edit.php', $href, 'edit');
                 }
-                if (! $example && $submiter && $this->is_submit_able()) {
+                if (! $example && $submiter) {
                     $href = vpl_mod_href( 'forms/submissionview.php', 'id', $cmid, 'userid', $userid );
                     $tabs [] = vpl_create_tabobject( 'submissionview.php', $href, 'submissionview');
                     if ($grader && $this->get_grade() != 0 && $subinstance