ZenCart website updates

WEBSITE UPDATES REQUIRED FOR ONLINE CLOTHING STORE: - Products to have size and colour options for purchase - Remove gift voucher function - Page permalinks / page urls - Partner function which works in the following way: 1. Organisation can complete the Become a Partner page (already set up) 2. Admin approves partner and creates a unique partner code in backend (not set up) 3. Shoppers use Partner code during checkout process to record their sale (not set up) 4. Partner codes record sales in order to receive 5% commission on total sale amounts using that code. 5. Report generated for specific partner codes over any period of time to show: Total amount of sales, shoppers that used the partner code (partly set up) - Also need some simple advice on website operation such as how to update text on certain pages etc. and how the promotion / discount function works.