Git commits in Moodle 2.9.5 by Sara Cenni

commit b68dc98398443bc820f4d496c9531fdd794d60fe
Author: Sara Cenni <sara.cenni@unibo.it>
Date:   Fri, 22 Jan 2016 00:18:35 +0800
Tag:    v2.9.5

MDL-52683 mod_scorm: Fix for Last completed attempt error with Oracle