Update changelog according to new release (#315)

Author: anders-kiaer

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](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [UNRELEASED] - YYYY-MM-DD
+## [0.1.4] - 2020-09-24
 
 ### Added
 - [#311](https://github.com/equinor/webviz-config/pull/311) - Automatically add a comment