diff --git a/pom.xml b/pom.xml
index 6d385f9eb55..46aa71530ca 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.codehaus.sonar</groupId>
@@ -105,7 +106,7 @@
     <jdk.min.version>1.5</jdk.min.version>
 
     <!-- default GWT configuration. It's overridden by the profile 'dev' to speed up compilation in dev environments-->
-    <gwt.permutationSuffix />
+    <gwt.permutationSuffix/>
     <gwt.extraJvmArgs>-Xmx512m -Xss1024k</gwt.extraJvmArgs>
     <sonar.snapshotRepository.url>dav:https://dav.codehaus.org/snapshots.repository/sonar</sonar.snapshotRepository.url>
   </properties>
@@ -272,6 +273,7 @@
           <version>1.1</version>
           <extensions>true</extensions>
         </plugin>
+
       </plugins>
     </pluginManagement>
 
@@ -393,7 +395,7 @@
         <artifactId>maven-javadoc-plugin</artifactId>
         <configuration>
           <excludePackageNames>
-net.*:org.sonar.application:org.sonar.server:org.sonar.graph:org.sonar.batch:org.sonar.channel:org.sonar.java:org.sonar.maven*:org.sonar.plugins.*:org.sonar.colorizer:org.sonar.squid:org.sonar.core:org.sonar.jpa:org.sonar.duplications:org.sonar.markdown:com.*
+            net.*:org.sonar.application:org.sonar.server:org.sonar.graph:org.sonar.batch:org.sonar.channel:org.sonar.java:org.sonar.maven*:org.sonar.plugins.*:org.sonar.colorizer:org.sonar.squid:org.sonar.core:org.sonar.jpa:org.sonar.duplications:org.sonar.markdown:com.*
           </excludePackageNames>
           <author>false</author>
           <linksource>true</linksource>
@@ -470,6 +472,26 @@ net.*:org.sonar.application:org.sonar.server:org.sonar.graph:org.sonar.batch:org
           <runOrder>random</runOrder>
         </configuration>
       </plugin>
+      <plugin>
+        <!-- this plugin is used to list the licenses of all the dependencies :
+        mvn org.codehaus.mojo:license-maven-plugin:aggregate-add-third-party
+        -->
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>license-maven-plugin</artifactId>
+        <version>1.0-beta-3</version>
+        <configuration>
+          <groupByLicense>true</groupByLicense>
+          <licenseMerges>
+            <licenseMerge>The Apache Software License, Version 2.0|Apache License 2.0|Apache 2|Apache License Version 2|Apache License Version 2.0|Apache Public License 2.0|Apache Software License - Version 2.0|Apache Software Licenses</licenseMerge>
+            <licenseMerge>GNU Lesser General Public License, Version 2.1|GNU Lesser General Public License Version 2.1|GNU Lesser General Public License (LGPL), Version 2.1</licenseMerge>
+            <licenseMerge>BSD|BSD License|The BSD License</licenseMerge>
+            <licenseMerge>Common Public License, Version 1.0|Common Public License - v 1.0|Common Public License Version 1.0</licenseMerge>
+            <licenseMerge>Eclipse Public License, Version 1.0|Eclipse Public License - Version 1.0</licenseMerge>
+            <licenseMerge>Common Development and Distribution License, Version 1.0|COMMON DEVELOPMENT AND DISTRIBUTION LICENSE (CDDL) Version 1.0|Common Development and Distribution License (CDDL) v1.0</licenseMerge>
+            <licenseMerge>MIT License|The MIT License</licenseMerge>
+          </licenseMerges>
+        </configuration>
+      </plugin>
     </plugins>
   </build>
 
@@ -1142,7 +1164,7 @@ net.*:org.sonar.application:org.sonar.server:org.sonar.graph:org.sonar.batch:org
                         </goals>
                       </pluginExecutionFilter>
                       <action>
-                        <ignore />
+                        <ignore/>
                       </action>
                     </pluginExecution>
                     <pluginExecution>
@@ -1155,7 +1177,7 @@ net.*:org.sonar.application:org.sonar.server:org.sonar.graph:org.sonar.batch:org
                         </goals>
                       </pluginExecutionFilter>
                       <action>
-                        <ignore />
+                        <ignore/>
                       </action>
                     </pluginExecution>
                     <pluginExecution>
@@ -1168,7 +1190,7 @@ net.*:org.sonar.application:org.sonar.server:org.sonar.graph:org.sonar.batch:org
                         </goals>
                       </pluginExecutionFilter>
                       <action>
-                        <ignore />
+                        <ignore/>
                       </action>
                     </pluginExecution>
                     <pluginExecution>
@@ -1182,7 +1204,7 @@ net.*:org.sonar.application:org.sonar.server:org.sonar.graph:org.sonar.batch:org
                         </goals>
                       </pluginExecutionFilter>
                       <action>
-                        <ignore />
+                        <ignore/>
                       </action>
                     </pluginExecution>
                     <pluginExecution>
@@ -1195,7 +1217,7 @@ net.*:org.sonar.application:org.sonar.server:org.sonar.graph:org.sonar.batch:org
                         </goals>
                       </pluginExecutionFilter>
                       <action>
-                        <ignore />
+                        <ignore/>
                       </action>
                     </pluginExecution>
                   </pluginExecutions>