Fix paypal vs. payPal configuration key lookup
Fix paypal vs. payPal configuration key lookup

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