events scaffold, event_discounts model
admin can update and modify charities for a product [closes #21], creates karmic_events, hooking in events with gift system (allowing me to track the 13 gift tickets, creates nofiier for event purchase as well as file for this email, creates product_discount model and allows them to be created from admin console [closes #29]
 ability to send an gift invoice to email with cost and description [closes #1]