MDL-46916 behat: improve question state test.
Automatically generated installer lang files
MDL-46918 ddl: fix error when renaming table already exists
MDL-46918 ddl: cover behavior with unit test
MDL-46816 mod_asssign plagiarism: Remove unnecessary code.
MDL-46716 core_calendar: Replaced iCal image with stylised text
MDL-46509 enrol: fix usage of incorrect enrol plugin in capability check
MDL-46509 enrol: fix usage of incorrect capability check
MDL-46509 enrol: Require 'enrol/PLUGIN:config' capabilities to show/hide enrollment instances
MDL-46917 atto: Focus on the editor when the form label is selected
MDL-46567 gradereport_history: Initial commit with basic structure of the report

Part of MDL-46191
MDL-46567 gradereport_history: Prevent duplicate username column from rendering

Part of MDL-46191
MDL-46567 gradereport_history: Fix bug with paging

Part of MDL-46191
MDL-46567 gradereport_history: Move paging implementation to db layer

Part of MDL-46191
MDL-46567 gradereport_history: Extra version.php info

Part of MDL-46191
MDL-46567 gradereport_history: Basic readme.md

Part of MDL-46191
MDL-46567 gradereport_history: Basic codestyle, phpdocs and other minor cleanups

Part of MDL-46191
This commit includes following changes:-
- Fix codestyle issues
- Remove readme file
- Fix and add file headers
- Fix and add missing phpdocs
MDL-46569 gradereport_history: Move class gradereport_history_user_button to proper namespaced location

Part of MDL-46191
MDL-46569 gradereport_history: Move class gradereport_history_filter_form to proper namespaced location

Part of MDL-46191
MDL-46569 gradereport_history: Create a helper class

Part of MDL-46191