Note on Heroku’s regenerated `database.yml` file that causes `schema_search_path` to be the default `\”$user\",public`

Here is how `database.yml` looks like on Heroku after each deploy: https://gist.github.com/4e4dcfafc8bab305e6f0

The new file doesn't have the extra `schema_search_path` as defined locally. Quick check in the console to validate that custom `schema_search_path` is not set:

```ruby
Apartment.connection.schema_search_path
=> "\"$user\",public"
```

It takes me a few days to debug this out so I guess it's worth mentioning this upfront for people who use Heroku :).