[NPANDAY-629] Unable to build dist projects with Maven 3

Avoid NullPointerException by removing metadata from the output

git-svn-id: https://svn.apache.org/repos/asf/incubator/npanday/trunk@1619281 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/dist/npanday-repository-builder/pom.xml b/dist/npanday-repository-builder/pom.xml
index e55be2c..d5905f9 100644
--- a/dist/npanday-repository-builder/pom.xml
+++ b/dist/npanday-repository-builder/pom.xml
@@ -353,7 +353,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-assembly-plugin</artifactId>
-        <version>2.4</version>
+        <version>2.4.1</version>
         <configuration>
           <descriptor>src/main/assembly/repo.xml</descriptor>
           <finalName>repository</finalName>
diff --git a/dist/npanday-repository-builder/src/main/assembly/repo.xml b/dist/npanday-repository-builder/src/main/assembly/repo.xml
index b32170f..fecf956 100644
--- a/dist/npanday-repository-builder/src/main/assembly/repo.xml
+++ b/dist/npanday-repository-builder/src/main/assembly/repo.xml
@@ -26,7 +26,6 @@
   <repositories>
     <repository>
       <outputDirectory>releases</outputDirectory>
-      <includeMetadata>true</includeMetadata>
     </repository>
   </repositories>
   <!-- dummy required to make dependency resolution fire and populate the repository -->