MDL-38102 lib: Check for null return value from password_hash function call
MDL-38055 course: fixed double encoding of title properties
MDL-37942 Images with non-alphanumeric chars in file name won't export
MDL-37966 Assignment: put upgraded modules where the originals were
MDL-38361: Fixed typos in mod/assign/locallib.php
MDL-38828 behat: Moving  init before purge_cache
MDL-38480_m Fix for messy usage of language strings in block course overview
MDL-38997 badges: Add checks to fix notices if badge settings not yet configured
MDL-37537 completion: Fix incorrect lang string reference in block
MDL-38011 completion: Use new localised role names
MDL-37844 SCORM: fix js error and highlight selected node in TOC.
MDL-35840 SCORM TOC: fixed a typo, improvements on getting the focus
MDL-39010 theme_bootstrap: ADDED $THEME->hidefromselector = true; to theme/bootstrap/config.php.
Fix missing form element setType() issue in /badges/mybackpack.php
MDL-39000 Conditional activities: Section condition restore errors
MDL-38904 Theme/JavaScript: Tidy up bootstrap JS
MDL-38904 Theme: Correct data-target for navbar
Fix error when awarding a badge from recipients page
MDL-29877 core_grade:add some upgrade code to fix broken grade items introduced by bad restores
MDL-38940 behat: Step definition to create glossary categories