MDL-42833 course: correction to navigation path in management interface
Merge branch 'wip-MDL-42833-master' of git://github.com/marinaglancy/moodle
MDL-40728 courseupload: add missing help icons
Merge branch 'MDL-40728-master-2' of git://github.com/mouneyrac/moodle
MDL-42866 EditPDF: Fix bad foreign key in install.xml

Thanks Tim for reporting this!
Merge branch 'MDL-42866-master' of git://github.com/damyon/moodle
Merge branch 'MDL-42768-master' of git://github.com/FMCorz/moodle
MDL-42853 frontpage: RTL alignment to match LTR
MDL-42853 course: Fix edit title icon margin on RTL