CLI to aid integration and testing

Change-Id: If18f194e45a8fc090a6b7869bb6d81728397ec9b
diff --git a/.gitignore b/.gitignore
index 54c7891..50df298 100644
--- a/.gitignore
+++ b/.gitignore
@@ -60,3 +60,7 @@
 
 # Files copied over during make
 ofagent/protos/third_party/google
+
+# Voltha CLI hostory files
+.voltha_cli_history
+**/.voltha_cli_history