add javadoc folder
diff --git a/examples/org.eclipse.graphiti.doc/build.properties b/examples/org.eclipse.graphiti.doc/build.properties
index ef90564..ed689d8 100644
--- a/examples/org.eclipse.graphiti.doc/build.properties
+++ b/examples/org.eclipse.graphiti.doc/build.properties
@@ -29,5 +29,6 @@
                toc.xml,\
                resources/,\
                javadoc_toc.xml,\
-               about.html
+               about.html,\
+               javadoc/
  
\ No newline at end of file