activating PGP for uploading to mavne central

pom.xml

@@ -91,7 +91,7 @@
 					<skipTests>true</skipTests>
 				</configuration>
 			</plugin>
-<!-- 			<plugin>
+ 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-gpg-plugin</artifactId>
 				<version>1.6</version>
@@ -116,7 +116,7 @@
 					<autoReleaseAfterClose>true</autoReleaseAfterClose>
 				</configuration>
 			</plugin>
- -->		</plugins>
+		</plugins>
 	</build>
 	<dependencies>
 		<dependency>