maven plugins updated

pom.xml

@@ -242,7 +242,7 @@
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-release-plugin</artifactId>
-           <version>2.5.2</version>
+           <version>2.5.3</version>
        </plugin>
 
        <plugin>
@@ -258,7 +258,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-pmd-plugin</artifactId>
-          <version>3.5</version>
+          <version>3.6</version>
           <executions>
             <execution>
               <phase>verify</phase>
@@ -297,7 +297,7 @@
 
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
-         <version>3.1</version>
+         <version>3.3</version>
          <configuration>
            <source>1.6</source>
            <target>1.6</target>
@@ -309,7 +309,7 @@
       	<plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-source-plugin</artifactId>
-          <version>2.3</version>
+          <version>2.4</version>
           <executions>
       	   <execution>
       	     <id>attach-sources</id>
@@ -333,7 +333,7 @@
         <plugin>
            <groupId>org.apache.felix</groupId>
            <artifactId>maven-bundle-plugin</artifactId>
-           <version>2.5.3</version>
+           <version>3.0.1</version>
            <extensions>true</extensions>
            <configuration>
                <instructions>
@@ -345,7 +345,7 @@
         <plugin>
              <groupId>com.mycila</groupId>
              <artifactId>license-maven-plugin</artifactId>
-             <version>2.6</version>
+             <version>2.11</version>
              <configuration>
                  <basedir>${basedir}</basedir>
                  <header>${basedir}/header.txt</header>