MDL-38889 Community finder search display setType() form warnings
MDL-39305 fixed display bugs in course listings

- When category has a lot of subcategories and courses and user clicks 'view more' for categories, the courses are still displayed
- Course summary non-image files may appear above course summary image files, and they don't have an icon with the filetype
MDL-39329 course: Strict standard warning during unpublishing
MDL-34403 mod quiz: fix error during enrolment
Automatically generated installer lang files
MDL-39250 theme_clean: Removed 2 instances of id="region-pre" from aside tags in layout/general.php.
Merge branch 'MDL-39329-master' of git://github.com/FMCorz/moodle
Merge branch 'MDL-29258_master' of git://github.com/dmonllao/moodle
MDL-37988 Completion reports: Table header row not in thead section
Merge branch 'MDL-34403' of https://github.com/mpetrowi/moodle
Merge branch 'MDL-38889-master' of git://github.com/mouneyrac/moodle
Merge branch 'wip-MDL-39305-master' of git://github.com/marinaglancy/moodle
MDL-39358 Mark the new theme_clean as a standard plugin
Merge branch 'MDL-39358-standard-clean' of git://github.com/mudrd8mz/moodle
Merge branch 'MDL-39250_clean_master' of git://github.com/lazydaisy/moodle
MDL-38833 core_grade: added a set_type for finalgrade
MDL-39278 Bootstrap - Change generated.css to moodle.css

The filename generated.css comes from moodle.less - so this is more obvious.
Merge branch 'MDL-38833_settype' of git://github.com/andyjdavis/moodle
MDL-39341 Themes Rename bootstrap to bootstrapbase
MDL-38888 Publish forms display setType warning