Changing the dcae dt main code

Updating DCAE-dt-main code for Dockerizing the DCAE-CI code

Change-Id: Ia50d24e60e9ddc9bbc58dd8651d7a4f7e0dc8270
Issue-ID: SDC-1605
Signed-off-by: Eran (ev672n), Vosk <ev672n@att.com>
diff --git a/dcaedt_tools/src/ReadMe.txt b/dcaedt_tools/src/ReadMe.txt
index 4657a81..9813f98 100644
--- a/dcaedt_tools/src/ReadMe.txt
+++ b/dcaedt_tools/src/ReadMe.txt
@@ -61,4 +61,10 @@
    			}]
    		}
    	]
-   }
\ No newline at end of file
+   }
+
+
+   exit codes:
+   0 - completed successfully
+   1 - completed with errors
+   2 - failed
\ No newline at end of file