Add CHANGELOG.md file

Author: Vincent Faliès

CHANGELOG.md

@@ -0,0 +1,12 @@
+# Changelog
+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).
+
+## [1.0] - 2017-12-26
+### Added
+- Add dependencies.yml file for dependencies.io
+
+### Changed
+- Fix version of EnvdevPHPBase image to 7.2 version