run linter on travis

.travis.yml

@@ -14,6 +14,7 @@ addons:
 install:
   - go clean -i net
   - go install -tags netgo std
+  - go get github.com/golang/lint/golint
   - pip install --user --upgrade gcloud gsutil
   - bin/setup-ci-secrets $encrypted_5ba036e89377_key $encrypted_5ba036e89377_iv
   - make travis

bin/lint

@@ -28,7 +28,7 @@ function lint_go {
 	# don't have it installed.
 	if type golint >/dev/null 2>&1; then
 		# golint doesn't set an exit code it seems
-		lintoutput=$(golint "${filename}")
+		lintoutput=$(golint "${filename}" | grep -vE 'comment|dot imports')
 		if [ "$lintoutput" != "" ]; then
 			result=1
 			echo "$lintoutput"