use maven-release-plugin 2.4.2

Copy-and-paste of working release plugin configuration of FeedbackPortlet

pom.xml

@@ -44,17 +44,12 @@
 			</plugin>
       <plugin>
         <artifactId>maven-release-plugin</artifactId>
-        <version>3.0.0-M5</version>
-        <dependencies>
-         <dependency>
-          <groupId>org.apache.maven.scm</groupId>
-          <artifactId>maven-scm-provider-gitexe</artifactId>
-          <version>2.0.0-M1</version>
-         </dependency>
-        </dependencies>
+        <version>2.4.2</version>
         <configuration>
-          <autoVersionSubmodules>true</autoVersionSubmodules>
-          <pushChanges>false</pushChanges>
+            <autoVersionSubmodules>true</autoVersionSubmodules>
+            <localCheckout>true</localCheckout>
+            <tagNameFormat>release-@{project.version}</tagNameFormat>
+            <pushChanges>false</pushChanges>
         </configuration>
       </plugin>
     </plugins>