Merge remote-tracking branch 'origin/dragAndDrop' into dragAndDrop

CHANGELOG.md

doc/DRAGANDDROP.md

doc/PROTOCOL.md

extension/Documentation/Manual.rst

extension/qfq/api/dragAndDrop.php

extension/qfq/qfq/AbstractBuildForm.php

extension/qfq/qfq/BuildFormBootstrap.php

extension/qfq/qfq/Constants.php

extension/qfq/qfq/Evaluate.php

extension/qfq/qfq/QuickFormQuery.php

extension/qfq/qfq/form/DragAndDrop.php

extension/qfq/qfq/form/FormAction.php

extension/qfq/qfq/report/Download.php

extension/qfq/qfq/report/Link.php

extension/qfq/qfq/report/Report.php

extension/qfq/qfq/store/FillStoreForm.php