updated version.

Author: frostalf

pom.xml

@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>pw.hwk</groupId>
     <artifactId>ServerTutorial</artifactId>
-    <version>3.0.0</version>
+    <version>3.1.0</version>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>