libs updated

pom.xml

@@ -196,7 +196,7 @@
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-release-plugin</artifactId>
-           <version>2.4.1</version>
+           <version>2.4.2</version>
        </plugin>
 
        <plugin>
@@ -233,7 +233,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-checkstyle-plugin</artifactId>
-          <version>2.10</version>
+          <version>2.11</version>
           <executions>
             <execution>
               <phase>verify</phase>
@@ -311,7 +311,7 @@
         <plugin>
              <groupId>com.mycila</groupId>
              <artifactId>license-maven-plugin</artifactId>
-             <version>2.5</version>
+             <version>2.6</version>
              <configuration>
                  <basedir>${basedir}</basedir>
                  <header>${basedir}/header.txt</header>