feat(post): add delayed job post
Adds daemons explanation
Adds delayed job table structure
Adds Extras: queues
Adds more details to delayed job table structure
Adds Extras: queues
Changes section title
Adds capistrano instructions
Adds capistrano instructions
Merge branch 'delayed_jobs' of github.com:platanus/blog into delayed_jobs

Conflicts:
	_posts/2014-12-12-integrando-delayed-job-a-un-proyecto-rails.md
Merge branch 'delayed_jobs' of github.com:platanus/blog into delayed_jobs

Conflicts:
	_posts/2014-12-12-integrando-delayed-job-a-un-proyecto-rails.md