MDL-42618 fix grade importing of whitespace idnumbers
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-43369 : quiz statistics - average across attempts

where item seen and not across all attempts for subqs.
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-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-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-41693 group: Use standard layout for group related pages
MDL-40139 block_privatefiles: Prevent usage of unmaintained edit page
MDL-46310 assign Prevent blind marking submission notification email being sent to noreplyemail address
MDL-40693 theme_bootstrapbase: changed navbar separator to official separator
MDL-40821 theme_bootstrapbase: show the current lang in the menu