Merge branch 'develop' into B10646MissingErrorMessageSanatizeViolation

Makefile

extension/Classes/Core/AbstractBuildForm.php

extension/Classes/Core/BuildFormBootstrap.php

extension/Classes/Core/Constants.php

extension/Classes/Core/Database/DatabaseUpdate.php

extension/Classes/Core/Helper/OnString.php

extension/Classes/Core/QuickFormQuery.php

extension/Classes/Core/Store/Config.php

extension/Tests/Unit/Core/BuildFormPlainTest.php

extension/Tests/Unit/Core/Helper/OnStringTest.php

less/qfq-bs.css.less