Run all-in-one instead of sahara-api

We're upgrading sahara architecture, so, we've added an alias to run
sahara in all-in-one process.

Change-Id: I7f92e13c1a9b15070c5ec46428ca3949190abfc9
diff --git a/lib/sahara b/lib/sahara
index 55131f9..d56cf1b 100644
--- a/lib/sahara
+++ b/lib/sahara
@@ -166,7 +166,7 @@
 
 # start_sahara() - Start running processes, including screen
 function start_sahara {
-    screen_it sahara "cd $SAHARA_DIR && $SAHARA_BIN_DIR/sahara-api --config-file $SAHARA_CONF_FILE"
+    screen_it sahara "cd $SAHARA_DIR && $SAHARA_BIN_DIR/sahara-all --config-file $SAHARA_CONF_FILE"
 }
 
 # stop_sahara() - Stop running processes