Update .traves.yml to install golangci-list

Author: alaypatel07

.travis.yml

@@ -15,7 +15,7 @@ go_import_path: sigs.k8s.io/controller-runtime
 install:
 - go get -u github.com/golang/dep/cmd/dep
 #- go get -u golang.org/x/lint/golint
-- go get -u gopkg.in/alecthomas/gometalinter.v2 && gometalinter.v2 --install
+- go get -u github.com/golangci/golangci-lint/cmd/golangci-lint
 
 script:
 - TRACE=1 ./hack/check-everything.sh