MDL-44804 editor_atto: JS error when filepicker is disabled
MDL-44822 assignfeedback_editpdf: Stop test generation in is_enabled()

This change also moves one of the checks in test_gs_path. If
generateimage is false, there's no need to stat for the fixture file.
Automatically generated installer lang files
MDL-44084 behat: Fixed setting value for form editor
MDL-43883 Behat: Fix deprecation and move custom matches to the editor field only.
MDL-43883 Fix wiki behat tests to work with Atto
Merge branch 'install_master' of git://git.moodle.org/moodle-install
NOBUG: Fixed SVG browser compatibility
NOBUG: Fixed file access permissions
weekly release 2.7dev
Merge branch 'MDL-44804-master' of git://github.com/FMCorz/moodle
MDL-44767 atto_editor: Browser hangs when making a selection
MDL-44757 atto_equation: Use Moodle Docs URL for TeX doc
Merge branch 'MDL-44822' of git://github.com/aolley/moodle
MDL-44583 Assign: performance fixes
MDL-44748 Atto: Make it the default on upgrade.