update changelog for 1.6.7

CHANGELOG.md

@@ -6,6 +6,10 @@ 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]
+## [1.6.7] - 2019-06-28
+## Added
+- Added ability to disable RewriteEngine
+
 ## [1.6.6] - 2019-06-25
 ### Fixed
 - Cache bust for `ood_shell.js`
@@ -192,7 +196,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - From 1.3.7 - 1.4.2 updated app versions
 
 
-[Unreleased]: https://github.com/OSC/ondemand/compare/v1.6.6...HEAD
+[Unreleased]: https://github.com/OSC/ondemand/compare/v1.6.7...HEAD
+[1.6.7]: https://github.com/OSC/ondemand/compare/v1.6.6...v1.6.7
 [1.6.6]: https://github.com/OSC/ondemand/compare/v1.6.5...v1.6.6
 [1.6.5]: https://github.com/OSC/ondemand/compare/v1.6.4...v1.6.5
 [1.6.4]: https://github.com/OSC/ondemand/compare/v1.6.3...v1.6.4