MDL-44717 events: Fix incorrect urls in various core events

AMOS BEGIN
 MOV [eventblogassociationcreated, core_blog],[eventblogassociationadded, core_blog]
AMOS END
MDL-44717 events: Fix incorrect urls in various reports
MDL-44717 events: Fix incorrect event urls in various sub-plugins
MDL-44717 events: Fix incorrect urls in various modules
MDL-44717 events: Quick update to incorrect mod workshop class definition.
MDL-44717 events: Fix for the name strings in various events.

AMOS BEGIN
 MOV [eventnoteupdate, core_notes],[eventnoteupdated, core_notes]
AMOS END