Bugfixes:
- fixed a bug with CMSms MLE
Changes:
- removed filepicker and block_types file/image (use GBFilePicker instead)
- removed block_type "note"
- added params block_group, collapse
- added preferences to toggle blocks/messages/block_groups per page or per template
- added preference to disable the AdvancedContent options tab
- feu access and expiry date should work with default {content} plugin now. (uses eventmanager now)