FELIX-2684 Add changelog.txt and ensure its inclusion with build artifacts

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1030735 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/webconsole/pom.xml b/webconsole/pom.xml
index a69a650..3c7fa6f 100644
--- a/webconsole/pom.xml
+++ b/webconsole/pom.xml
@@ -56,6 +56,7 @@
                     <include>LICENSE</include>
                     <include>NOTICE</include>
                     <include>DEPENDENCIES</include>
+                    <include>changelog.txt</include>
                 </includes>
             </resource>
             <!-- CSS and images for backwards compatibility -->