removed Maven3 build dependency

licenseCompleter.groovy

@@ -16,8 +16,9 @@ complete {
 
     // Apache components
     //   logkit is a part of Avalon
-    match(["org.apache.ant:*","commons-jelly:*","log4j:*","avalon-framework:*","logkit:logkit","oro:oro","*:commons-jelly","org.jvnet.hudson:commons-jelly-tags-define","slide:slide-webdavlib"]) {
-        rewriteLicense([], apacheLicense)
+    match(["org.apache.ant:*","commons-jelly:*","log4j:*","avalon-framework:*","logkit:logkit","oro:oro","commons-codec:*","*:commons-jelly","org.jvnet.hudson:commons-jelly-tags-define","slide:slide-webdavlib"]) {
+        if (dependency.licenses.isEmpty())
+            rewriteLicense([], apacheLicense)
     }
 
     // GlassFish components are dual-licensed between CDDL and GPL+Classpath Exception

pom.xml

@@ -38,10 +38,6 @@ THE SOFTWARE.
   <name>Jenkins main module</name>
   <description>The module that constitutes the main jenkins.war</description>
 
-  <prerequisites>
-    <maven>3.0</maven>
-  </prerequisites>
-
   <modules>
     <module>remoting</module>
     <module>core</module>
@@ -169,7 +165,7 @@ THE SOFTWARE.
         <plugin>
           <groupId>com.cloudbees</groupId>
           <artifactId>maven-license-plugin</artifactId>
-          <version>1.1</version>
+          <version>1.2</version>
           <executions>
             <execution>
               <goals>