chore: Fix timezone in TravisCI

.travis.yml

@@ -5,15 +5,18 @@ notifications:
 go:
   - 1.9
 before_install:
-  - go get github.com/golang/dep/...
   - go get github.com/mitchellh/gox
   - go get github.com/tcnksm/ghr
+before_script:
+  - export TZ=Asia/Tokyo
+  - sudo timedatectl set-timezone Asia/Tokyo
+  - timedatectl
 script:
   - make test
 branches:
   only:
     - master
 after_success:
-  # todo
+  - echo "TODO release process"
   # - gox -os "darwin linux windows" -arch "amd64" -output "dist/{{.OS}}_{{.Arch}}_{{.Dir}}" .
   # - ghr --username tsuyoshiwada --token $GITHUB_TOKEN --replace `grep 'Version =' version.go | sed -E 's/.*"(.+)"$$/\1/'` dist/