MDL-42495 lesson Prevent coding error for invalid user
MDL-34020: Further work on IMS package importing when using Blackboard packages
MDL-43109: mod/wiki - When editing pages populate the default value for the tags input.
MDL-43460 calendar: Decode event description links on restore
MDL-39661 blocks: Removed notice when moving a block
MDL-40705 theme_bootstrapbase: Handling of long words in block content
MDL-39603 theme_bootstrapbase: Alignment of filter form elements on enrol page
MDL-43412 quiz with grade period and password did not work.

Once the attempt became overdue, it was impossible to get in to submit
it because of a redirect loop. This fix resovles that loop, so the
student can enter their password and get in.
MDL-43211 course: do not return indent icon if not needed
MDL-43211 blocks: style edit icons in main menu and social activities
MDL-41152 theme_bootstrapbase: Optimise width for gradebook tree view
MDL-43371 mod_lesson: Remove files upon page or module deletion
MDL-43401 mod_lesson: Fix serving of the pluginfile mediafile
MDL-43178 mod_forum: fixed the digest setting confirmation message
MDL-43333 blocks: move activity icon in social and main menu
MDL-42792 SCORM: Prevent JS error when network connection fails. - return false to SCORM package so that issue can be detected and reported.
MDL-43222 SCORM: correct check for list of attempts and make correct check for current attempt in scorm_get_toc
MDL-43642 behat: Setting the correct files @package
MDL-43439: Behat - new $CFG param - behat_screenshot_after_failure
MDL-41693 group: Use standard layout for group related pages