Update CHANGELOG.md for 1.1.7 and 1.1.6

Author: phavekes

CHANGELOG.md

@@ -5,6 +5,16 @@ 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/).
 
+## 1.1.7
+
+- Fix: Duplicate key exception for CRM invitations
+
+## 1.1.6
+
+- Fix: Institution admin application search
+- Fix: CRM delete API
+- Fix: Continue when SCIM update of personal details produces an error
+
 ## 1.1.5
 
 - Fix: Missing translation