Mass On Time: Initial move to BTTF
MassOnTime: Repurpose `generate_header` to be used in `itemType`.
MassOnTime: Add the URL of the item.
MassOnTime: Added templates for both parishes and events.
Merge pull request #709 from duckduckgo/jag/bttf/mass

MassOnTime: Converted to be used on BTTF