Major Change in Kiosk, Register and Store class.

Major Change in Kiosk, Register and Store class. Orders are created via
Kiosks and Registers, and Orders can be created by a customer if he is
sitting on a kiosk according to business rule. Removing createOrder()
method in store and adding createOrderViaKiosk() method and
createOrderViaRegister() method in Store, and making subsequent changes
in the related classes.
Merge branch 'master' of https://github.com/shimon0505004/CS414_ColoState

Resolved merge branch