finish sidekiq work
fix a bug on delay_for
switch sidekiq work from controller to model
fix before_save
spec still not work
use rspec-sidekiq to test, and fix a bug puts while edit article
remove sidekiq_client
remove respones_to and rename spec
remove rspec-sidekiq gem and everything fine
add sidekiq_client
clear code
move the sidekiq test from controller to model
clear sidekiq queue after test done
Merge branch 't151'