add example launch to releng.control too
diff --git a/releng.control/launchReadme.txt b/releng.control/launchReadme.txt
new file mode 100644
index 0000000..738df00
--- /dev/null
+++ b/releng.control/launchReadme.txt
@@ -0,0 +1,11 @@
+The launch file provided in this directory is 
+an example only. It will need to be cusomized for 
+particular machines, and particular needs. 
+It is an example of how to run the build.xml file from the IDE, 
+for local developer tests. It is not used as part of production builds.
+
+In addition to the environment variables and properties in this launch config, 
+the directory pointed to by LOCAL_BUILD_PROPERTIES_DIR can be used 
+to supply many other properties. See the directorty 'localBuildExample' 
+for a set of example files and properties. 
+