Update maven plugin versions

Change-Id: I7400e08a1059f57c85a53aebe2719f81c00f58e8
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit.packaging/pom.xml

         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-resources-plugin</artifactId>
-          <version>2.4.1</version>
+          <version>2.5</version>
           <configuration>
             <encoding>ISO-8859-1</encoding>
           </configuration>

pom.xml

 
         <plugin>
           <artifactId>maven-compiler-plugin</artifactId>
-          <version>2.0.2</version>
+          <version>2.3.2</version>
         </plugin>
 
         <plugin>
           <artifactId>maven-clean-plugin</artifactId>
-          <version>2.2</version>
+          <version>2.4.1</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-shade-plugin</artifactId>
-          <version>1.2</version>
+          <version>1.5</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-antrun-plugin</artifactId>
-          <version>1.3</version>
+          <version>1.7</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-dependency-plugin</artifactId>
-          <version>2.1</version>
+          <version>2.3</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-source-plugin</artifactId>
-          <version>2.1.1</version>
+          <version>2.1.2</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>2.7</version>
+          <version>2.8</version>
         </plugin>
 
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-surefire-plugin</artifactId>
-          <version>2.4.2</version>
+          <version>2.9</version>
         </plugin>
 
         <plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-pmd-plugin</artifactId>
-          <version>2.5</version>
+          <version>2.6</version>
           <configuration>
             <sourceEncoding>utf-8</sourceEncoding>
             <minimumTokens>100</minimumTokens>
             <id>translate-qualifier</id>
             <phase>generate-resources</phase>
             <configuration>
-              <tasks unless="${translate-qualifier}">
+              <target if="${translate-qualifier}">
                 <copy file="META-INF/MANIFEST.MF" tofile="${bundle-manifest}" overwrite="true"/>
                 <replace file="${bundle-manifest}">
                   <replacefilter token=".qualifier" value=".${maven.build.timestamp}"/>
                 </replace>
-              </tasks>
+              </target>
             </configuration>
             <goals>
               <goal>run</goal>