[VOL-1386]  This commit add "dep" as the package management tool
for voltha-go.

Change-Id: I52bc4911dd00a441756ec7c30f46d45091f3f90e
diff --git a/vendor/github.com/cevaris/ordered_map/.travis.yml b/vendor/github.com/cevaris/ordered_map/.travis.yml
new file mode 100644
index 0000000..6d74ee9
--- /dev/null
+++ b/vendor/github.com/cevaris/ordered_map/.travis.yml
@@ -0,0 +1,16 @@
+---
+language: go
+
+go:
+  - tip
+  - 1.9
+  - 1.8
+  - 1.7
+  - 1.6
+  - 1.5
+  - 1.4
+  - 1.3
+
+install:
+  - make
+  - make test