Merge remote-tracking branch 'origin/stable' into hotfix-1.2.1

Author: BertrandGouny

CHANGELOG.md

@@ -12,7 +12,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
   Thanks to Francesc Escale for reporting this.
 
-## [1.2.0] - Unreleased
+## [1.2.0] - 2018-03-02
 ### Changed
   - Use mdb as default backend