CONTRIBUTORS in activemerchant-1.34.1 vs CONTRIBUTORS in activemerchant-1.35.0

@@ -398,5 +398,13 @@
 * Vincens (ExxKA)
 
 Transnational (May 2013)
 
 * Ben VandenBos (bvandenbos)
+
+Barclays ePDQ Extra Plus (June 2013)
+
+* Nathaniel Talbott (ntalbott)
+
+MerchantWare V4 (July 2013)
+
+* Aleksei Gusev (hron)