MDL-39640 repository: Prevent notice when editing an instance
MDL-38239 gradebook: Importing grades from a .txt file with commas for decimals causes an error
MDL-39802 add cli script for fixing of all deleted users

Use this script if something just set the user.deleted flag instead of calling the delete_user() method.
MDL-39802 fix sloppy user deleting and creating in imsenterprise plugin
MDL-39688 do not set Etag when sending http ranges
MDL-38408 validate PayPal dates and costs always
Merge branch 'w22_MDL-39688_m23_etag' of git://github.com/skodak/moodle into MOODLE_23_STABLE
Merge branch 'MDL-38239-moodle23' of git://github.com/StudiUM/moodle into MOODLE_23_STABLE
Merge branch 'MDL-39640-23' of git://github.com/FMCorz/moodle into MOODLE_23_STABLE
Automatically generated installer lang files
Merge branch 'w22_MDL-39802_m23_deletedusers' of git://github.com/skodak/moodle into MOODLE_23_STABLE
Automatically generated installer lang files
Automatically generated installer lang files
Merge branch 'install_23_STABLE' of git://git.moodle.cz/moodle-install into MOODLE_23_STABLE
weekly release 2.3.7+