Include missing sources (#241)
Include missing sources (#241)

Currently static library (libBraintree.a) has missing two symbols:

 - _OBJC_CLASS_$_BTUICardPhoneNumberField
 - _OBJC_CLASS_$_BTUIUnionPayVectorArtView

The patch fixes the problem by adding corresponding classes into the
target.
billCTG/braintree_ios,apascual/braintree_ios,braintree/braintree_ios,braintree/braintree_ios,billCTG/braintree_ios,Feverup/braintree_ios,billCTG/braintree_ios,apascual/braintree_ios,billCTG/braintree_ios,braintree/braintree_ios,billCTG/braintree_ios,apascual/braintree_ios,Feverup/braintree_ios,apascual/braintree_ios,Feverup/braintree_ios,braintree/braintree_ios,Feverup/braintree_ios