MDL-40877 core_text: Added UTF-8 safe strrchr method
MDL-40877 repository_url: Use core_text functions instead of mb_strlen()
MDL-40122 SCORM: replace SCORM course format with singleactivity
Merge branch 'MDL-40877-master' of git://github.com/FMCorz/moodle
Merge branch 'master_MDL-40122' of git://github.com/danmarsden/moodle

Conflicts:
	lib/db/upgrade.php
	version.php
MDL-31093 Scorm course format: Remove behat tests

The scorm course format has been removed so we don't need to test it anymore.