v12.1

• added: calendar and map popup content is shown in a lightbox
• added: class in calendar view
• added: css class on each entity to indicate attending/owning
• added: listing now has different display modes
• added: plugin hooks to change calendar/map data options
• added: popup now has class indicating owner or attending
• changed: marker colors change on type of event relationship
• fixed: google maps api functionality
• removed: no longer showing a legend below the map