fix changelog, set release version

Author: Crim

CHANGELOG.md

@@ -2,5 +2,5 @@
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## 0.1.0 (08/15/2017)
+## 0.1.0 (01/18/2021)
 - Initial release!

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>org.sourcelab</groupId>
     <artifactId>java-hkp-client</artifactId>
-    <version>0.1.0-SNAPSHOT</version>
+    <version>0.1.0</version>
 
     <!-- Require Maven 3.3.9 -->
     <prerequisites>