Added 0.11.0 release note

Author: shyiko

changelog.md

@@ -2,6 +2,11 @@
 All notable changes to this project will be documented in this file.  
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [0.11.0](https://github.com/shyiko/mysql-binlog-connector-java/compare/0.10.1...0.11.0) - 2017-03-02
+
+### Added
+- `BinaryLogClient::gtidSetFallbackToPurged` ([156](https://github.com/shyiko/mysql-binlog-connector-java/issues/156)).
+
 ## [0.10.1](https://github.com/shyiko/mysql-binlog-connector-java/compare/0.10.0...0.10.1) - 2017-02-28
 
 ### Fixed