[maven-release-plugin] prepare release v0.3

pom.xml

@@ -1,10 +1,9 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.charite.compbio</groupId>
 	<artifactId>hyperSMURF</artifactId>
 	<packaging>jar</packaging>
-	<version>0.3-SNAPSHOT</version>
+	<version>0.3</version>
 	<name>hyperSMURF</name>
 	<url>https://charite.github.io/hyperSMURF/</url>
 	<licenses>
@@ -31,7 +30,8 @@
 		<connection>scm:git:https://github.com/charite/hyperSMURF.git</connection>
 		<developerConnection>scm:git:https://github.com/charite/hyperSMURF.git</developerConnection>
 		<url>scm:git:https://github.com/charite/hyperSMURF.git</url>
-	</scm>
+	  <tag>v0.3</tag>
+  </scm>
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>