MDL-38734: Automated backup failure causing all course to fail
MDL-42542 portfolio: Fix handlerfile in portfolio event handler
MDL-42284 core_message: adding behat tests for viewing message history MDLQA-135
MDL-39810 Files: IE doesn't recognize JSON MIME Type (RFC4627).

Affected versions:
- IE 8+, under Compatibility View.
Automatically generated installer lang files
MDL-42379 behat: Automated test for approving glossary entries.

Automate MDLQA-34 - A teacher can set that glossary entries require approval before being viewable be everyone.
MDL-42574 blocks: Fix strict standards warning in community block
MDL-42287 behat: Add an autoamted test to test MDLQA-82
MDL-40470 JavaScript: Correct issue when checking select change in Firefox
MDL-42587: calendar: Fix regression that stops dates autocorrecting
Merge branch 'm25_MDL-39810_IE_Compatibility_View_Does_Not_Recognize_JSON_RFC4627_MIME_Type' of https://github.com/scara/moodle into MOODLE_25_STABLE
MDL-42282 Behat: Max year in date feild is 2020 in 2.5
Merge branch 'MDL-40470-25' of git://github.com/andrewnicols/moodle into MOODLE_25_STABLE
MDL-41473 book: Book html zip import, incorrect url produced for internal linking to other chapters
MDL-41092 assign: Fix duplicate key error in assign cron
MDL-41337 files: Fixed bug with accidental delete of the root directory
Merge branch 'MDL-42542-25' of git://github.com/FMCorz/moodle into MOODLE_25_STABLE
Merge branch 'wip-MDL-41337-m25' of git://github.com/marinaglancy/moodle into MOODLE_25_STABLE
Merge branch 'MDL-42574-25' of git://github.com/ankitagarwal/moodle into MOODLE_25_STABLE
Merge branch 'MDL-42284_behat_25' of https://github.com/andyjdavis/moodle into MOODLE_25_STABLE