MDL-46875 tinymce: Fixed issue with full screen and spelling
MDL-39888 mnet: Removal of an old sql statement invloving the mdl_log table.
MDL-39888 mnet: Removed tab and links to the log report.

The link would include parameters which generates warnings
on the log report page.
Merge branch 'm28_MDL-46875' of https://github.com/totara/moodle
Merge branch 'wip-MDL-39888-master-v2' of git://github.com/abgreeve/moodle
MDL-46812 gradereport_grader: Hide vertical scrollbar of scroller
Merge branch 'MDL-46812-master-fixup' of https://github.com/FMCorz/moodle