message: Updated CHANGELOG for release of 6.6.0-pre.5
diff: @@ -8,6 +8,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
  <!-- ## Unreleased -->
  <!-- Add new, unreleased items here. -->
  +## 6.6.0-pre.5 - 2018-04-12
  +* Restore missing dependency 'findup-sync'.
  +
  ## 6.6.0-pre.4 - 2018-04-11
  * Upgrade polyserve to pick up recent fixes.
  