MDL-39472 MUC: Optimise cache::get_from_persist_cache
Automatically generated installer lang files
MDL-39239 SCORM: drop old imsrepository code - it doesn't work anyway.
MDL-37459 admin: Default styles for flags for admin settings
MDL-37459 admin: Change the behaviour of locked admin settings.

Now the defaults for settings will never force changes to the module update
form, and settings will only be locked if their value matches the admin default.
Merge branch 'MDL-39472-master' of git://github.com/sammarshallou/moodle
MDL-37459 admin: Code improvements for admin defaults.

Split apply_admin_defaults_after_data so the defaults are set before
set_data is called.

Change function from private to protected.

Change check for if module for is an add or an update.
MDL-37621 assign: Improvements to assignment default settings.

Remove locked flag from datetime settings.
Change requiresubmissionstatement to use the new admin flags instead of it's previous custom behaviour.
This means there is a language change:

AMOS BEGIN
 CPY [requiresubmissionstatementassignment_help,mod_assign],[requiresubmissionstatement_help,mod_assign]
AMOS END
MDL-37621 assign: Improvements to default settings.

Added a new adminsetting_configempty type so that module settings
which can have no sensible defaults can still be configured as advanced.
Merge branch 'MDL-37459-master-fix2' of git://github.com/damyon/moodle
Merge branch 'MDL-37621-master-fix2' of git://github.com/damyon/moodle
Revert "MDL-39489 behat: Updating to 2.6 moodlehq/behat-extension tag"

Wasn't ready for the prime time

This reverts commit ca96789d77b34bd733e6c491ba79e3ab21d7e86f.
MDL-38359: assign - remove some old debug code.
Merge branch 'MDL-38359-master' of git://github.com/danmarsden/moodle
Merge branch 'master_MDL-39239' of git://github.com/danmarsden/moodle
MDL-38359: assign - fix some issues with releasing grades
MDL-38359: assign - prevent loss of associated marker

certain markers don't see the marker allocation column.
Automatically generated installer lang files
MDL-37459 admin: Fix for error on updating a locked checkbox

Changed the way apply_admin_locked_flags gets the current value for the field.

The old way was plain wrong (looking at getValue from the quickform element).
Merge branch 'MDL-38359-master' of git://github.com/danmarsden/moodle