Merge pull request #31 from pcvolkmer/issue_30

Upgrade to Spring IO 2.0.1.RELEASE

pom.xml

@@ -7,7 +7,7 @@
 	<packaging>war</packaging>
 
 	<properties>
-		<io.spring.platform-version>2.0.0.RELEASE</io.spring.platform-version>
+		<io.spring.platform-version>2.0.1.RELEASE</io.spring.platform-version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<sonar.language>java</sonar.language>
 		<mobile.production.path>../arsnova-mobile/src/main/webapp/build/production/ARSnova</mobile.production.path>