Overview: We need a custom extension built for Magento (Community edition). The extension will enable customers to accumulate "Reward points" for offline referrals or writing product reviews. For offline referrals, we want to use the built-in coupon code functionality - we want to create a coupon code for a specific customer that they can give out to their friends, family etc. When creating the coupon code rule, we need the ability to specify which customer "owns" the code (the customer...