Move extra Elasticsearch options to OPTIONS dict
Move extra Elasticsearch options to OPTIONS dict

http://docs.wagtail.io/en/v1.8/releases/1.8.html#extra-options-for-the-elasticsearch-constructor-should-be-now-defined-with-the-new-key-options-of-the-wagtailsearch-backends-setting

freedomofpress/securethenews,DNSUsher/securethenews,freedomofpress/securethenews,DNSUsher/securethenews,freedomofpress/securethenews,DNSUsher/securethenews,freedomofpress/securethenews