Update maven plugin versions

Change-Id: I547e89b11eaa291f1e512a209ac49eaa15273b42
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

pom.xml

@@ -176,7 +176,7 @@
     <servlet-api-version>2.5</servlet-api-version>
     <jetty-version>7.6.0.v20120127</jetty-version>
     <protobuf-version>2.4.0a</protobuf-version>
-    <clirr-version>2.3</clirr-version>
+    <clirr-version>2.4</clirr-version>
   </properties>
 
   <repositories>
@@ -192,7 +192,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-jar-plugin</artifactId>
-          <version>2.3</version>
+          <version>2.4</version>
           <configuration>
             <archive>
               <manifestEntries>
@@ -208,18 +208,18 @@
 
         <plugin>
           <artifactId>maven-compiler-plugin</artifactId>
-          <version>2.3.2</version>
+          <version>2.5.1</version>
         </plugin>
 
         <plugin>
           <artifactId>maven-clean-plugin</artifactId>
-          <version>2.4.1</version>
+          <version>2.5</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-shade-plugin</artifactId>
-          <version>1.5</version>
+          <version>1.7.1</version>
         </plugin>
 
         <plugin>
@@ -231,37 +231,37 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-dependency-plugin</artifactId>
-          <version>2.3</version>
+          <version>2.5</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-source-plugin</artifactId>
-          <version>2.1.2</version>
+          <version>2.2</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>2.8</version>
+          <version>2.8.1</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-surefire-plugin</artifactId>
-          <version>2.9</version>
+          <version>2.12.2</version>
         </plugin>
 
         <plugin>
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>build-helper-maven-plugin</artifactId>
-          <version>1.5</version>
+          <version>1.7</version>
         </plugin>
 
         <plugin>
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>findbugs-maven-plugin</artifactId>
-          <version>2.3.2</version>
+          <version>2.5.2</version>
           <configuration>
             <findbugsXmlOutput>true</findbugsXmlOutput>
             <failOnError>false</failOnError>
@@ -278,7 +278,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-pmd-plugin</artifactId>
-          <version>2.6</version>
+          <version>2.7.1</version>
           <configuration>
             <sourceEncoding>utf-8</sourceEncoding>
             <minimumTokens>100</minimumTokens>