Release 3.0.1
added require 'sidekiq/api' for calling stats

This is now needed as per https://github.com/meskyanichi/hirefire-resource/issues/20#issuecomment-40135831.  This is required for the app to run.
Merge pull request #1687 from StephenOTT/patch-1

added require 'sidekiq/api' for calling stats