[VOL-4638] Add communication with VOLTHA NBI and the Olt app REST APIs

Change-Id: I6ccf5725a108b91f47dfc4c20e9614b38c71419a
diff --git a/vendor/google.golang.org/protobuf/LICENSE b/vendor/google.golang.org/protobuf/LICENSE
new file mode 100644
index 0000000..49ea0f9
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+++ b/vendor/google.golang.org/protobuf/LICENSE
@@ -0,0 +1,27 @@
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