polish

docs/pom.xml

@@ -63,7 +63,7 @@
 <plugins>
 <plugin>
         <artifactId>maven-antrun-plugin</artifactId>
-         <version>1.4</version>
+         <version>1.7</version>
          <executions>
           <execution>
             <phase>process-resources</phase>

pom.xml

@@ -78,6 +78,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-jar-plugin</artifactId>
+				<version>3.1.2</version>
 				<configuration>
 					<archive>
 						<addMavenDescriptor>false</addMavenDescriptor>