Install elasticsearch-model and elasticsearch-rails
Add elasticsearch rake tasks
Update application config with elasticsearch instrumentation
Add sidekiq indexer worker
Add model concern searchable
Update models to use searchable concern instead of tire
Update application config to autoload model concerns
Update concern searchable to check if there are deleted_at field
Fix query_builder match_all naming issues
Make sidekiq to use config
Rename indexer worker to indexer_worker
Update searchable callbacks
Remove obsolete methods from models
Install elasticsearch-extenstions to power test suits
Update spec_helper with elasticsearch configuration
Add indexer_worker spec
Update models to prefix elasticsearch index name in test env
Fix procfile typo
Comment as_json person method
Add ctags files to gitignore