Fix deploy from travis
Fix deploy from travis

以下のエラーが出てたので、`skip_cleanup: true`を追加してみた
```
nothing added to commit but untracked files present (use "git add" to track)
Dropped refs/stash@{0} (b68ee8945cd7ef1c00d7561ba62048b3340dbe8f)
/home/travis/.rvm/gems/ruby-2.2.5/gems/excon-0.55.0/lib/excon/middlewares/expects.rb:7:in `response_call': Expected([200, 201]) <=> Actual(422 Unprocessable Entity) (Heroku::API::Errors::RequestFailed)
```

RyuPiT/SharePla,RyuPiT/SharePla,RyuPiT/SharePla