configure state_output

This option can configure default output of state calls. Terse (default
option) will make each call to be on single line and make salt output
better.

Change-Id: Id0987561e34a84fb26a796729d6ab3de3b9ae8e5
diff --git a/README.rst b/README.rst
index 546129b..73cdfc7 100644
--- a/README.rst
+++ b/README.rst
@@ -171,6 +171,14 @@
           ".*":
           - x509.sign_remote_certificate
 
+Configure verbosity of state output (used for `salt` command)
+
+.. code-block:: yaml
+
+    salt:
+      master:
+        state_output: terse
+
 Salt proxy
 ----------