MDL-43590 Merge English strings from the en_fix language pack
Merge branch 'MDL-43590-en_fix' of git://github.com/mudrd8mz/moodle
MDL-43590 move unapprove to undo approval
MDL-43646 "disapprove" changed to "undo approval"
MDL-43661 change event property level to edulevel

Level is a reserved word in sql, sorry.
MDL-43661 use new edulevel in all existing events
MDL-37658 add new logging API with basic implemenation
MDL-37658 logging: fixed bug in legacy logging
MDL-41266 move reader access control out from manager

We need to let reports decide if they want to use capability to access readers.
fix
Code style fixes
Add basic classes for the report
User should be useroorid
add json output for ajax
Send only new records when requested
add course id support in ajax code
Remove context and such
changes to context