sidekiq added. AWS code moved to imagesworker
Merge pull request #28 from jongmini/sidekiq

Sidekiq
config.assets.compile = true
Merge pull request #29 from brucetoddlee/heroku_changes2

looks good.
posts comments likes are linked to current_user
Merge pull request #30 from jongmini/user_likes

posts comments likes are linked to current_user