prep for v0.2.2 release

CHANGELOG.md

@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [v0.2.2]
+- Allow for `/boot-time` and `boot-time` as metadata keys when getting the boot-time from a wrp message or event. [#41](https://github.com/xmidt-org/glaukos/pull/41)
+
 ## [v0.2.1]
 - Add more detailed logging. [#40](https://github.com/xmidt-org/glaukos/pull/40)
 
@@ -30,7 +33,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ## [v0.0.1]
 - Initial creation
 
-[Unreleased]: https://github.com/xmidt-org/glaukos/compare/v0.2.1..HEAD
+[Unreleased]: https://github.com/xmidt-org/glaukos/compare/v0.2.2..HEAD
+[v0.2.2]: https://github.com/xmidt-org/glaukos/compare/v0.2.1..v0.2.2
 [v0.2.1]: https://github.com/xmidt-org/glaukos/compare/v0.2.0..v0.2.1
 [v0.2.0]: https://github.com/xmidt-org/glaukos/compare/v0.1.1..v0.2.0
 [v0.1.1]: https://github.com/xmidt-org/glaukos/compare/v0.1.0..v0.1.1