Update the documentation of 0.9.0 for Client Go and CLI (#229)

diff --git a/releases/0.9.0-incubating/INSTALL.md b/releases/0.9.0-incubating/INSTALL.md
index b20c1dc..c1fc958 100644
--- a/releases/0.9.0-incubating/INSTALL.md
+++ b/releases/0.9.0-incubating/INSTALL.md
@@ -208,6 +208,7 @@
 ## Build the source code
+### OpenWhisk
 Open the terminal, and go to the directory $OPENWHISK_HOME. Install the Gradle wrapper with the command:
@@ -225,6 +226,11 @@
 first make sure `docker` is running correctly by verifying with the command `docker images`. If you continue
 to encounter build problems, please seek help by opening [an issue](https://github.com/apache/incubator-openwhisk/issues) for the OpenWhisk community to assist you.
+### OpenWhisk Client Go
+Please refer to the instruction on how to use OpenWhisk Client Go at [this page](https://github.com/apache/incubator-openwhisk-client-go/blob/master/README.md).
+### OpenWhisk CLI
 If you have downloaded the source code of OpenWhisk CLI and decide to use it during the installation of OpenWhisk, run the following commands:
diff --git a/tools/config.json b/tools/config.json
index fb4842b..c12e095 100644
--- a/tools/config.json
+++ b/tools/config.json
@@ -1,5 +1,5 @@
-  "publish_stage": "true",
+  "publish_stage": "false",
   "update_doc": "true",
   "stage_url": "https://dist.apache.org/repos/dist/dev/incubator/openwhisk",
   "release_url": "https://dist.apache.org/repos/dist/release/incubator/openwhisk",