Merge branch 'develop' into 'master'

.gitlab-ci.yml

Documentation/CodingGuideline.rst

Documentation/Form.rst

Documentation/GeneralTips.rst

Documentation/Installation.rst

Documentation/Report.rst

Documentation/index.rst

Makefile

composer.json

docker/db_fixture_qfq.sql

docker/run_selenium_tests_local.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