Merge branch 'develop' into F15111_saveZip

Documentation-develop/CONFIG.md

Documentation-develop/DRAGANDDROP.md

Documentation-develop/FORM.md

Documentation-develop/FORMEDITOR.md

Documentation-develop/HTML.md

Documentation-develop/LAYOUT.md

Documentation-develop/REST.md

Documentation-develop/TABLESORTER.md

Documentation-develop/diagram/bootstrap.drawio

Documentation/Form.rst

Documentation/Installation.rst

Documentation/License.rst

Documentation/Report.rst

Documentation/Tutorial.rst

Gruntfile.js

extension/Classes/Core/AbstractBuildForm.php

extension/Classes/Core/Constants.php

extension/Classes/Core/Database/DatabaseUpdate.php

extension/Classes/Core/Helper/HelperFormElement.php

extension/Classes/Core/Helper/OnArray.php