Refactoring configuration

Hoping to fix error on Codeship: 

     Running: rake assets:precompile
       2014-05-15T20:38:27Z 623 TID-ovmw11uyk INFO: Sidekiq client with redis options {:size=>1}
       rake aborted!
       ArgumentError: requires a block
       /tmp/build_6abfc51f-d3f2-4518-baba-48207d1ee2d1/vendor/bundle/ruby/2.1.0/gems/sidekiq-3.0.2/lib/sidekiq.rb:68:in `redis'
       /tmp/build_6abfc51f-d3f2-4518-baba-48207d1ee2d1/config/initializers/sidekiq.rb:7:in `block in <top (required)>'
       /tmp/build_6abfc51f-d3f2-4518-baba-48207d1ee2d1/vendor/bundle/ruby/2.1.0/gems/sidekiq-3.0.2/lib/sidekiq.rb:60:in `configure_client'
       /tmp/build_6abfc51f-d3f2-4518-baba-48207d1ee2d1/config/initializers/sidekiq.rb:3:in `<top (required)>'