Updated pom.xml to sign artifacts

Author: bcsorba

pom.xml

@@ -71,6 +71,20 @@
           </targetTests>
 	</configuration>
       </plugin>
+      <plugin>
+	<groupId>org.apache.maven.plugins</groupId>
+	<artifactId>maven-gpg-plugin</artifactId>
+	<version>1.6</version>
+	<executions>
+	  <execution>
+	    <id>sign-artifacts</id>
+	    <phase>verify</phase>
+	    <goals>
+	      <goal>sign</goal>
+	    </goals>
+	  </execution>
+	</executions>
+      </plugin>
     </plugins>
   </build>