Config graceful_shutdown_timeout option for services

To avoid hanging services during gracefull shutdown option
graceful_shutdown_timeout should be configured.

Closes-Bug: #1446583

Change-Id: I2b7f0df831d65c55ae8cae241478f49c9641d99f
diff --git a/lib/cinder b/lib/cinder
index ed9a103..a916c65 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -357,7 +357,7 @@
     iniset $CINDER_CONF DEFAULT os_privileged_user_name nova
     iniset $CINDER_CONF DEFAULT os_privileged_user_password "$SERVICE_PASSWORD"
     iniset $CINDER_CONF DEFAULT os_privileged_user_tenant "$SERVICE_TENANT_NAME"
-
+    iniset $CINDER_CONF DEFAULT graceful_shutdown_timeout "$SERVICE_GRACEFUL_SHUTDOWN_TIMEOUT"
 }
 
 # create_cinder_accounts() - Set up common required cinder accounts