CONTRIBUTORS in activemerchant-1.6.0 vs CONTRIBUTORS in activemerchant-1.7.0

@@ -133,6 +133,10 @@
 
 * iamjwc
 
 Garanti (May 05, 2010)
 
-* Selem Delul ([e-mail])
+* Selem Delul ([e-mail])
+
+Braintree Blue Gateway (May 19th, 2010)
+
+* Braintree ([e-mail])
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