MDL-41228 phpunit: Reset message processors list in unit tests
MDL-41900 events Log handler failures
MDL-37973 gradebook Return a maxgrade of '-' if grade type is TEXT

Including tests for correct return from
grade_edit_tree_column_range->get_item_cell()
MDL-41894 feedback: Remove unused code, which is generating warnings
MDL-41954 Fix the grade for assessment calculation in the Workshop module

In a pretty rare case of zero variance of received assessments, the "distance"
of the evaluated assessment from the referential ("best") one was not increased
regardless it's actual value. This led to higher grades for assessments in
certain situations (see the tracker for a particular example).
MDL-26408 enrol_imsenterprise: fix invalid component
MDL-32592 enrol_imsenterprise: fix error when category not defined

thanks to Henrik Thorn for the fix
MDL-41995 calendar: changed the page layout for the export page
MDL-39653 enrol_imsenterprise: only mail admins on change

The existing beavhiour was sending useless emails to admins and
generating warnings.

Thanks to Matthew Orlando for the suggested fix.
MDL-41676 Corrected logic when to dim the activity name and content
MDL-41921 mod_url: less restrictions on URL field

Restoring functionality from 2.4 accidentally removed in MDL-34311
MDL-41942 course: Allow course listings to work with caches disabled
MDL-41999 do not use $USER->password directly
MDL-33569 themes: Labels create extra margin below content.
MDL-33569 theme_boostrapbase: adding re-compiled style/moodle.css
MDL-41997 cache: added unit tests for disabled stores
MDL-41997 cache: dummy store now uses static acceleration for session + request
Merge branch 'MDL-33569_M25' of git://github.com/lazydaisy/moodle into MOODLE_25_STABLE
NOBUG: rebuilt bootstrap CSS
Merge branch 'MDL-41954-workshop-zero-variance_25' of git://github.com/mudrd8mz/moodle into MOODLE_25_STABLE