Prepare 2.0.1 release

Author: MarioBlazek

doc/CHANGELOG.md

@@ -6,6 +6,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [2.0.1] - 09-19-2017
+### Added
+- added separate fieldtype service definitions for `ezpublish-kernel` v6.11 and versions before 6.11
+
 ## [2.0] - 09-18-2017
 ### Added
 - Bundle is now available on Github