Merge pull request #1 from jonhyman/feature/upgrade-resque

Update resque to 1.2.x
Merge remote-tracking branch 'sponsorpay/master'
Switching to EM::Hiredis since em-redis hasn't been updated in over 2 years. Allowing you to pass in Redis namespace into the WorkerMachine.
Updating Redis namespace.
Merge pull request #2 from jonhyman/feature/em-hiredis

Feature/em hiredis
Hardcoding 1 fiber and changing the work loop semantic from EM::Synchrony.sleep to next tick on a timer. This is more reliable for sending push notifications.
Allowing you to configure whether you want to sleep in between polling or use next_tick.
Making tick_instead_of_sleep false to be backwards-compatible.
Merge pull request #7 from jonhyman/master

Allowing to customize whether or not em-resque workers sleep
Version bump: 1.1.1