* Redirect to streaming_api_base_url
When Rails receives a request to streaming API, it most likely
means that there is another host which is configured to respond
to it. This is to redirect clients to that host if
`STREAMING_API_BASE_URL` is set as another host.
* Use the new Ruby 1.9 hash syntax
Got an error in asset precompile on Heroku:
Module build failed: Error: ENOENT: no such file or directory, scandir '/tmp/.../node_modules/node-sass/vendor'
ref: https://github.com/rails/webpacker#troubleshooting