Refactoring and SlotDispatcher
Merge branch 'develop' of github.com:impresspages/ImpressPages-CMS into develop
Fix tests
Use new slots
fine tune drop at first position
Merge branch 'develop' of github.com:impresspages/ImpressPages-CMS into develop
fine tune widget drop
remove test snippet
fine tune widget drop placeholders
finetune drop placeholders
remove placeholders after drop