Minor fixes:

• Refine UI
• A/B test calculate language—"Calculate amount" vs. equation
• A/B test transactions language—"Transactions" vs. "My Venmo" vs. "My Activity"
• QR Code—Make QR Code feature clearer
• Tagging People—Add person icon to tag
• Each vs. Total—Can I put in in different amounts for each of them?
• Selective Requesting/Payment—Calculate the bill with everyone at the table and then select who you want to request/pay
• Split—When changing the split number ask to add the additional people