mperham/sidekiq — pull request #1703 by mperham (2014-05-14 03:35:55+00:00)
Title: Add API to quiet Sidekiq process

Heroku does not allow USR1. Instead provide an API which allows
a Sidekiq process to be signalled indirectly.

TODO
- [x] Refactor ProcessSet
- [ ] Implement quiet!
- [ ] Implement heartbeat changes

/cc @halorgium