* Add ClassifiedListingEsIndexWorker & spec
* Update ClassifiedListing model
- Add es index methods (inline and async)
- Index ClassifiedListing to es after_commit
- Add serialized_search_hash
- Update model specs for new methods
- Add serializers referenced in new model method
* Update specs
* Create DataUpdateScript to index ClassifiedListings
* Fix formatting
* Fix codeclimate :/
* Use match_array instead of keys.sort
* Change find_by! to find
* Update spec
* Update mappings for ClassifiedListing
* Update specs
* Implement refactor with Searchable module
* Index tags to Elasticsearch after they are created
* add rules_html to Tag index since we show it in search drop down
* change get method to find_document to make it more explicit
* Create RemoveFromIndexWorker
* Create spec for RemoveFromIndexWorker
* Update RemoveFromIndexJob to RemoveFromIndexWorker
- Update references from the job to the new worker
- Update specs to use the new worker
- Fix spec in comment_spec that causes linter/RuboCop violation
* Remove unnecessary argument nil check
* Update spec for missing data
