set changelog release date

Author: Crim

CHANGELOG.md

@@ -2,7 +2,7 @@
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## 1.0.4 (unreleased)
+## 1.0.4 (06/11/2018)
 - Update NPM dependencies for [CVE-2017-18214](https://nvd.nist.gov/vuln/detail/CVE-2017-18214).
 - Update [Kafka-JUnit](https://github.com/salesforce/kafka-junit) dependency to [Kafka-JUnit4](https://github.com/salesforce/kafka-junit/tree/master/kafka-junit4).
 - Update SpringBoot dependency from 1.5.10 to 1.5.13.