Sidekiq 3.0 support
pass redis_pool argument to support sidekiq v3.0
actually pass redis_pool
add specs for redis_pool
use double instead of OpenStruct
add redis_pool argument rdoc description
add 'expiration' arg description, mark optional args as optional
rename pool arg to redis_pool
Merge remote-tracking branch 'sidekiq-v3/master' for Sidekiq V3 support
works better without `-` in the end of every ERB tag
support for sidekiq3.0 and not set total
Fix web UI. Sidekiq::Status::get_all(jid) returns hash with 2 elements, show such statuses on /statuses page.
Merge pull request #27 from RaVbaker/master

Support for sidekiq version 3 (&web UI)