Merge branch 'master' into 5467-min-max-parameters

CHANGELOG.md

doc/NewVersion.md

extension/Documentation/Manual.rst

extension/Documentation/Release.rst

extension/Documentation/Settings.cfg

extension/Documentation/_make/conf.py

extension/RELEASE.txt

extension/ext_emconf.php

extension/qfq/api/save.php

extension/qfq/qfq/AbstractBuildForm.php

extension/qfq/qfq/BodytextParser.php

extension/qfq/qfq/BuildFormBootstrap.php

extension/qfq/qfq/BuildFormPlain.php

extension/qfq/qfq/BuildFormTable.php

extension/qfq/qfq/Constants.php

extension/qfq/qfq/Delete.php

extension/qfq/qfq/QuickFormQuery.php

extension/qfq/qfq/Save.php

extension/qfq/qfq/database/Database.php

extension/qfq/qfq/form/Dirty.php