VOL-3419: Replicate voltha flows in openolt agent
- The scale-tester-app will adhere to new openolt.proto interface (version 4.0.2)
and will pass necessary information for openolt-agent to replicate the flows.
- upgrade to voltha-lib-go version 4.0.0

Change-Id: I9d862929ae8ac4468d4e93096f8cd8e16f26ec93
diff --git a/.gitignore b/.gitignore
index 4a23d30..22df6a2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 .idea
 openolt-scale-tester
 tests
+**/*.bak