fix some in public/index
edit dates in configus
remove after_party_pricet
fix promo_code controller
fix redirect to 404
add tickets controller
add has_many ticket_orders to user
fix something
add buy to tickets_order
temporaly freez
Merge remote-tracking branch 'origin/feature/pay_for_conference' into feature/pay_for_conference
add edited of cost
cost is difference
add prices to admin
add title of table
add ticket model
add ticket_order
add ticket_order controller
add tickets_controller test
some fixes