Allow failing test build for Contao 3.3.
Add EOF to database.sql.
Code style.
Implement property conditions in palettes to replace the sub palettes.
Drop now obsolete MetaModels\DcGeneral\Events\Table\FilterSetting\InjectFidFilter.
Add language string for conditions.
Drop now obsolete subpalette handling.
Drop obsolete class MetaModels\Dca\BreadcrumbBuilder.
Better check for metamodel table in Subscriber.
Bugfix: unset variable $condition before reusing it.
Implement upgrade steps for subpalette to property conditions.