Release notes and version updated for upcoming version 1.8.

Author: martignoni

CHANGELOG.md

@@ -3,7 +3,7 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/) and follow principles of [keep a changelog](http://keepachangelog.com).
 
-## Unreleased
+## Version 1.8, 2017-11-01
 ### Added
 - Display of MoodleBox image version (issue #28).
 - Compatible with Moodle 3.4 (issue #27).