added sidekiq gem
added photo_worker.rb
added sample method to photo_worker
added sample method to user#controller for testing purpose
added carrierwave_backgrounder; added perform method to PhotoWorker
rails g carrierwave_backgrounder:install
added backgrounder in kitchen_photo_uploader.rb
added sotre_in_background in photo.rb
added picture_tmp attribute to photos
enabled sidekiq in carrierwave_backgrounder.rb
installed slim, sinatra, trying to use skidekiq web interface to show worker stats
added process_in_background in photo.rb; added debugging statements in perform
added photoworker.perform_async to photo controller
changed sidekiq web mount code position in routes.rb
added processed_at to photo.rb
added picture_processing to photos.rb
testing by deleting recreate versions
set sidekiq retry to false
changed pool size from 5 to 25 in database.yml; increase max threads to accoampny sidekik
rewrite perform method in photoworker