[chore] Update Changelog

Author: ibrahimlawal

CHANGELOG.md

@@ -1,3 +1,11 @@
+## 1.0.1 (June 13, 2016)
+
+- [fix] Add logic to avoid duplication of payment verification
+- [fix] Add logic to convert back to client currency after payment
+- [chore] Use Language Pay now for button prompt
+- [chore] Shorten Gateway name
+- Append button if `payment-btn-container` not found
+
 ## 1.0.0 (May 05, 2016)
 
 - Initial release