Author: Paul Holden
MDL-78741 files: context report entity data for path and parent.
Allows for better aggregation/grouping of file data by context tree.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ce1db1499d89b6b5381092b4c85e8e0d478a1b99
http://github.com/moodle/moodle/commit/ce1db1499d89b6b5381092b4c85e8e0d478a1b99
+ 4.3 en [contextparent,core]