Add travis yaml

.travis.yml

+---
+
+language: go
+sudo: false
+dist: trusty
+
+go:
+  - "1.9.x"
+  - "1.10.x"
+  - master
+
+script:
+  - make lint
+  - make test
+
+cache:
+  directories:
+    - vendor

Makefile

 	@rm -rf "$(CC_DIR)" && mkdir -p "$(CC_DIR)"
 
 .PHONY: test
-test: vendor install-cli
+test: vendor install-cli version.go
 	@go test -v ./...
 
 .PHONY: lint
-lint: vendor install-cli
+lint: vendor install-cli version.go
 	@$(GOMETALINTER) --deadline=2m ./...
 
 .PHONY: clean