adding config for launchpad:run http port

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@923992 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 7ccbe9f..75135b8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -190,6 +190,7 @@
                     <defaultBundleList>
                         <version>6-SNAPSHOT</version>
                     </defaultBundleList>
+                    <httpPort>${jetty.http.port}</httpPort>
                 </configuration>
             </plugin>