MDL-29004 Wiki: display images in printer-friendly view
MDL-40877 core_text: Added UTF-8 safe strrchr method
MDL-37211 Backup: Migrate hard-coded strings to language string for the table header labels on the restore page
MDL-40447 Administration: Fix translation: "Profile" should be "Profile Fields" on advanced (more...) user filter form
MDL-40752 - Login panel should be placed on the right side, in RTL mode (theme/clean, bootstrap)
MDL-41291 cache: Use fread to avoid race conditions
MDL-41222 Remove unnecessary course cache rebuild
MDL-40732 choice: improve heading levels and styling
MDL-36803 TinyMCE: Fix TinyMCE following touch events on iOS browsers
MDL-41321 theme_boostrapbase: Add styling to groupinfobox in less/moodle/user.less.
MDL-40877 repository_url: Use core_text functions instead of mb_strlen()
MDL-40122 SCORM: replace SCORM course format with singleactivity
MDL-38765 quiz view: fix duplicate message.

The "No more attempts are allowed" message was being shown twice. I
checked back, and it has been like that since before the quiz was
converted to use a renderer. Still, it looks horrible, so changing it.
MDL-41364 fix apostrophe in debug message.
MDL-41366 qbehaviour_informationitem fix name capitalisation.
MDL-41380 backup: Fix incorrect function name from MDL-40618.
MDL-41387 tags: changed character case in string used when deleting a course
MDL-36126 backup: changed the message column in the table backup_logs to a text field to prevent DB errors
MDL-38505 Permit lesson to import images in question text
MDL-41401 backup: fix misnamed test method