Updated plugin versions.

pom.xml

@@ -49,7 +49,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-release-plugin</artifactId>
-				<version>2.2.2</version>
+				<version>2.4.2</version>
 				<configuration>
 					<!-- Whether to allow timestamped SNAPSHOT dependencies. 'true' means 
 						the release plugin will continue to operate even when a project has dependencies 
@@ -63,7 +63,7 @@
 			</plugin>
 	        <plugin>
     	        <artifactId>maven-scm-plugin</artifactId>
-        	    <version>1.8.1</version>
+        	    <version>1.9</version>
             	<configuration>
                 	<tag>${project.artifactId}-${project.version}</tag>
             	</configuration>