Upgrade Braintree Java to version 3.15.0
Upgrade Braintree Java to version 3.15.0

adessaigne/camel,christophd/camel,cunningt/camel,apache/camel,cunningt/camel,adessaigne/camel,apache/camel,tadayosi/camel,cunningt/camel,cunningt/camel,apache/camel,adessaigne/camel,tadayosi/camel,adessaigne/camel,christophd/camel,adessaigne/camel,cunningt/camel,christophd/camel,apache/camel,apache/camel,apache/camel,christophd/camel,tadayosi/camel,tadayosi/camel,cunningt/camel,tadayosi/camel,christophd/camel,adessaigne/camel,christophd/camel,tadayosi/camel