Preparing release v1.9.0 (#665)

Author: abhinav

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [1.9.0] - 2019-01-22
 ### Added
 - Add the ability to shutdown Fx applications from inside the container. See
   the Shutdowner documentation for details.
@@ -175,7 +175,7 @@ promising API compatibility between beta releases and the final 1.0.0 release.
 In fact, we expect our beta user feedback to require some changes to the way
 things work. Once we reach 1.0, we will provider proper version compatibility.
 
-[Unreleased]: https://github.com/uber-go/fx/compare/v1.8.0...HEAD
+[1.9.0]: https://github.com/uber-go/fx/compare/v1.8.0...v1.9.0
 [1.8.0]: https://github.com/uber-go/fx/compare/v1.7.1...v1.8.0
 [1.7.1]: https://github.com/uber-go/fx/compare/v1.7.0...v1.7.1
 [1.7.0]: https://github.com/uber-go/fx/compare/v1.6.0...v1.7.0

version.go

@@ -21,4 +21,4 @@
 package fx
 
 // Version is exported for runtime compatibility checks.
-const Version = "1.8.0"
+const Version = "1.9.0"