Part 13: Customer Accounts 2/2. Step 2: Set up account.liquid
Part 13: Customer Accounts 2/2. Step 3: Set up order.liquid
Include shopify_common.js in theme.liquid

See: 4.1. Make sure your theme.liquid file contains "shopify_common.js"
Part 13: Customer Accounts 2/2. Step 4: Set up addresses.liquid
Remove space from between city & province on Addresses page
Update README.md after completing Part 13: Customer Accounts 2/2