---Models in module 'event_product'---
---Fields in module 'event_product'---
event_product / event.registration       / sale_status (selection)       : previously in module event_sale
---XML records in module 'event_product'---
NEW ir.ui.view: event_product.event_registration_ticket_view_form
NEW ir.ui.view: event_product.event_registration_view_graph
NEW ir.ui.view: event_product.view_event_registration_ticket_tree
