Update PayPal integration for OTC 2.0.0
Update PayPal integration for OTC 2.0.0

braintree/braintree_ios,apascual/braintree_ios,billCTG/braintree_ios,Feverup/braintree_ios,apascual/braintree_ios,billCTG/braintree_ios,braintree/braintree_ios,Feverup/braintree_ios,billCTG/braintree_ios,apascual/braintree_ios,apascual/braintree_ios,Feverup/braintree_ios,Feverup/braintree_ios,braintree/braintree_ios,braintree/braintree_ios,billCTG/braintree_ios,billCTG/braintree_ios