Vendor go-cmp

vendor/github.com/google/go-cmp/.travis.yml

@@ -0,0 +1,18 @@
+sudo: false
+language: go
+go:
+  - 1.x
+  - master
+matrix:
+  include:
+    - go: 1.6.x
+      script: go test -v -race ./...
+  allow_failures:
+    - go: master
+  fast_finish: true
+install:
+  - # Do nothing. This is needed to prevent default install action "go get -t -v ./..." from happening here (it is intended for this package to have no dependencies other than the standard library).
+script:
+  - diff -u <(echo -n) <(gofmt -d -s .)
+  - go tool vet .
+  - go test -v -race ./...