Merge pull request #1108 from rishabhs95/stripe

Online payment feature - direct stripe integration

app/models/conference.rb

@@ -20,6 +20,7 @@ class Conference < ActiveRecord::Base
   has_one :program, dependent: :destroy
   has_one :venue, dependent: :destroy
   has_many :ticket_purchases, dependent: :destroy
+  has_many :payments, dependent: :destroy
   has_many :supporters, through: :ticket_purchases, source: :user
   has_many :tickets, dependent: :destroy