Finalize CHANGELOG.md for 0.17.3

Author: matkoch

CHANGELOG.md

@@ -5,6 +5,8 @@ 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).
 
 ## [vNext]
+
+## [0.17.3] / 2019-02-27
 - Fixed documentation file generation
 - Fixed `CheckBuildProjectConfigurationsAttribute.Timeout` to be settable
 
@@ -316,7 +318,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Added CLT tasks for Git
 - Fixed background color in console output
 
-[vNext]: https://github.com/nuke-build/common/compare/0.17.2...HEAD
+[vNext]: https://github.com/nuke-build/common/compare/0.17.3...HEAD
+[0.17.3]: https://github.com/nuke-build/common/compare/0.17.2...0.17.3
 [0.17.2]: https://github.com/nuke-build/common/compare/0.17.1...0.17.2
 [0.17.1]: https://github.com/nuke-build/common/compare/0.17.0...0.17.1
 [0.17.0]: https://github.com/nuke-build/common/compare/0.16.0...0.17.0