message: chore: update changelog for 19.1.0
diff: @@ -4,9 +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]
  -
  -## [19.1.0]
  +## [19.1.0] - 2019-01-23
  ### Added
  - Addons:
  - `loaders-css` - For animated loading indicators
  