Support loading options from config/delayed_job.yml

[excid3]

One of the nice things about Sidekiq is being able to save all your commandline options in a config file so you can reuse that everywhere. I just wanted to add the same functionality to delayed_job so that it would be easier to manage and track your options in git as well.

[caseyprovost]

👍 Love it!

[peterschols]

This is fantastic, thanks a lot! I hope the maintainers merge this into DJ soon. Thanks!

[betamatt]

I'm personally against checked-in config files but lots of people seem to like them. I don't have strong feelings about whether this is in scope or not for DJ.

[peterschols]

@betamatt are there any updates on the status of this PR?