MDL-38450 mod: Fix upgrade warnings due to empty database field defaults
Merge branch 'm22_MDL-38450' of git://github.com/totara/moodle into MOODLE_22_STABLE
Automatically generated installer lang files
Merge branch 'install_22_STABLE' of git://git.moodle.cz/moodle-install into MOODLE_22_STABLE
weekly release 2.2.9+