MDL-44637 events: Update to core/event/base to return core event information.
MDL-44637 events: Update to core/event/manager to return observer information.
MDL-44637 events: Behat tests for the event listing tool.
MDL-44637 events: Refactoring of files and directories if we decide to move this to reports.
MDL-44637 events: Update to string that was throwing off event list column ordering.
MDL-44637 events: Update to the event detail page, list_generator class, and the renderer.
MDL-44637 events: Update to the YUI code to comply with the coding style.
smurf file update