- Enh: added accordion method into Content helper
- Enh: added rating method into Content helper
- Enh: added ownVideo method into Content helper
- Enh: added externalVideo method into Content helper
- Enh: added adBlockPosition method into Content helper
- Enh: added slider method into Content helper
- Enh: added additionalContent method into Content helper
- Enh: upgraded autoload to PSR-4