Merge branch 'develop' into 'master'

Documentation/Debug.rst

Documentation/GeneralTips.rst

Documentation/Installation.rst

Documentation/Release.rst

Documentation/Variable.rst

docker/run_qfq_docker.sh

extension/Classes/Api/dataReport.php

extension/Classes/Api/delete.php

extension/Classes/Api/dirty.php

extension/Classes/Api/download.php

extension/Classes/Api/dragAndDrop.php

extension/Classes/Api/file.php

extension/Classes/Api/load.php

extension/Classes/Api/print.php

extension/Classes/Api/rest.php

extension/Classes/Api/save.php

extension/Classes/Api/setting.php

extension/Classes/Api/typeahead.php

extension/Classes/Controller/QfqController.php

extension/Classes/Core/AbstractBuildForm.php