prep for 2.2.0 release

Author: majormoses

CHANGELOG.md

@@ -4,14 +4,15 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 This CHANGELOG follows the format listed at [Keep A Changelog](http://keepachangelog.com/)
 
 ## [Unreleased]
+
 ## [2.1.0]
 ### Changed
 - Disable filtering for handler-graphite-status.rb
 ### Fixed
 - Error handling in graphite handlers
 - Duplicate short option in check-graphite.rb
 ### Removed
-- Method retrieve_data in check-graphite-data since it's duplicate from graphite_proxy
+- check-graphite-data.rb: Removed unused method `retrieve_data` since it's duplicate from graphite_proxy
 
 ## [2.0.0] - 2016-06-21
 ### Added
@@ -70,7 +71,8 @@ This CHANGELOG follows the format listed at [Keep A Changelog](http://keepachang
 ### Added
 - initial release
 
-[Unreleased]: https://github.com/sensu-plugins/sensu-plugins-graphite/compare/2.1.0...HEAD
+[Unreleased]: https://github.com/sensu-plugins/sensu-plugins-graphite/compare/2.2.0...HEAD
+[2.2.0]: https://github.com/sensu-plugins/sensu-plugins-graphite/compare/2.1.0...2.2.0
 [2.1.0]: https://github.com/sensu-plugins/sensu-plugins-graphite/compare/2.0.0...2.1.0
 [2.0.0]: https://github.com/sensu-plugins/sensu-plugins-graphite/compare/1.1.0...2.0.0
 [1.1.0]: https://github.com/sensu-plugins/sensu-plugins-graphite/compare/1.0.0...1.1.0

lib/sensu-plugins-graphite/version.rb

@@ -1,7 +1,7 @@
 module SensuPluginsGraphite
   module Version
     MAJOR = 2
-    MINOR = 1
+    MINOR = 2
     PATCH = 0
 
     VER_STRING = [MAJOR, MINOR, PATCH].compact.join('.')