MDL-43390 files: Only lock when locking is not prevented
Automatically generated installer lang files
Automatically generated installer lang files
Automatically generated installer lang files
MDL-37509 Assign: Do not put description in calendar before it should be shown to students
MDL-45715 assign: disable marking allocation if markingworkflow is not set.
Revert "Merge branch 'MDL-45594_m26' of git://github.com/markn86/moodle into MOODLE_26_STABLE"

This reverts commit 9e32e3befcef51be950282c24c03174986b14005, reversing
changes made to 695553b1a5dae515c0577c62d45a239aef63ee63.
MDL-46433 blog: fix error message when creating an external blog
Automatically generated installer lang files
MDL-45594 simplify message_get_recent_conversations SQL

I am pretty sure that this new SQL is logically equivalent to
the original, and it passes Mark's unit tests. However, it is
hard to be 100% sure.
MDL-45594 core_message: ordered recent notifications by timecreated
MDL-45594 core_message: added unit tests
MDL-46503 behat: cohort generator allows to create cohort in category
MDL-46017 Assign: Restore can't rely allocated marker fields existing in backup
MDL-46504 libraries: Fixing typo
MDL-46506 Assign: fix php warning on grant extension page

This code was missed when the extensionduedate was moved to the userflags table.
Merge branch 'install_26_STABLE' of https://git.in.moodle.com/amosbot/moodle-install into MOODLE_26_STABLE
weekly release 2.6.4+
MDL-45044 filter_tex: properly escape excutable pathnames for Windows
MDL-46325 behat: Fixed issue where 'teacher1' didn't exist