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-41995 calendar: changed the page layout for the export page
MDL-41676 Corrected logic when to dim the activity name and content
MDL-41942 course: Allow course listings to work with caches disabled
MDL-33569 themes: Labels create extra margin below content.
MDL-33569 theme_boostrapbase: adding re-compiled style/moodle.css
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
Merge branch 'MDL-26408-25' of git://github.com/danpoltawski/moodle into MOODLE_25_STABLE
Merge branch 'MDL-37973_m25' of https://github.com/merrill-oakland/moodle into MOODLE_25_STABLE
Merge branch 'wip-MDL-41676-m25' of git://github.com/marinaglancy/moodle into MOODLE_25_STABLE
Merge branch 'MDL-41228_25' of https://github.com/totara/openbadges into MOODLE_25_STABLE
Merge branch 'MDL-41894-m25' of git://github.com/ankitagarwal/moodle into MOODLE_25_STABLE
Merge branch 'MDL-41900-m25' of git://github.com/micaherne/moodle into MOODLE_25_STABLE