[maven-release-plugin] prepare release v0.3.0

pom.xml

@@ -9,7 +9,7 @@
         <version>1.2.0</version>
     </parent>
     <artifactId>java-network-analyzer</artifactId>
-    <version>0.3.0-SNAPSHOT</version>
+    <version>0.3.0</version>
     <packaging>bundle</packaging>
 
     <!-- More Project Information -->
@@ -45,7 +45,7 @@
         <connection>scm:git:https://github.com/orbisgis/java-network-analyzer.git</connection>
         <developerConnection>scm:git:https://github.com/orbisgis/java-network-analyzer.git</developerConnection>
         <url>[email protected]:orbisgis/java-network-analyzer.git</url>
-        <tag>HEAD</tag>
+        <tag>v0.3.0</tag>
     </scm>
 
     <issueManagement>