Author: Amaia Anabitarte
MDL-76994 core_course: New course format setting to enable indentation
http://git.moodle.org/gw?p=moodle.git;a=commit;h=d23ff0a5b3d5f476d3de1af6a9fae47ccbe66fa5
http://github.com/moodle/moodle/commit/d23ff0a5b3d5f476d3de1af6a9fae47ccbe66fa5
+ 4.0 en [indentation,format_topics]
+ 4.0 en [indentation_help,format_topics]
+ 4.0 en [indentation,format_weeks]
+ 4.0 en [indentation_help,format_weeks]