Added support for salt engines, added support for requisite ordering

Change-Id: I772495c38ed5dc21ad833f3c0f351384942e2b23
diff --git a/_engines/saltgraph.py b/_engines/saltgraph.py
index 0287449..b70af19 100644
--- a/_engines/saltgraph.py
+++ b/_engines/saltgraph.py
@@ -194,7 +194,7 @@
             opts=__opts__,
             sock_dir=__opts__['sock_dir'],
             listen=True)
-        log.debug('Saltgraph engine started')
+    log.debug('Saltgraph engine started')
 
     while True:
         event = event_bus.get_event()