Revert to older assembly plugin version as the latest version creates wrong archives for bin and project.

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@750831 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom/pom.xml b/pom/pom.xml
index f4c170a..a1f62d9 100644
--- a/pom/pom.xml
+++ b/pom/pom.xml
@@ -361,7 +361,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-assembly-plugin</artifactId>
-          <version>2.2-beta-3</version>
+          <version>2.2-beta-1</version>
         </plugin>
       </plugins>
     </pluginManagement>