Update changelog

Author: mblaschke

CHANGELOG.md

@@ -1,11 +1,12 @@
 CliTools Changelog
 ==================
 
-2.4.0 - ????-??-??
+2.4.0 - 2017-04-23
 ------------------
 - Add TYPO3 extensionmanager tables to default TYPO3 filter
 - Add support for docker containers (and automatic translation of docker-compose container names) for mysql commands
 - Add support for running mysql commands inside docker containers for sync
+- Add mysql support for deployment
 
 2.3.4 - 2016-03-31
 ------------------