Parallelize stop and restart to be faster with many workers.
Fixes a adjustedment made to the YAML part of Ruby
Fixing errors reported by Travis

Should have run rake first before commiting -.- But now it passes!
See if we need this exception or not
Adding information about restarting delayed jobs

This is information I believe is correct, but I would love to know for certain
Added missing Ruby highlighting to README.md
Documented _without_delay feature
Log more information about running jobs in the worker
Fix Ruby 1.8 compatibility
Fix ActiveRecord::Base#encode_with for Rails 3.0
Run the tests against all versions of Rails we claim to support
Bring back fail-fast

So we don't hog Travis resources
Ruby 1.9.2 doesn't like coveralls being loaded before DJ
Rails 4 is for Ruby >= 1.9.3 only
Merge pull request #504 from parndt/patch-1

Added missing Ruby highlighting to README.md
Merge pull request #508 from aripollak/more-logging

Log more information about jobs being run
Merge branch 'document-without_delay' of https://github.com/pjungwir/delayed_job into pjungwir-document-without_delay

* 'document-without_delay' of https://github.com/pjungwir/delayed_job:
  Documented _without_delay feature
Merge branch 'patch-1' of https://github.com/allenhancock/delayed_job into allenhancock-patch-1

* 'patch-1' of https://github.com/allenhancock/delayed_job:
  Adding information about restarting delayed jobs
Update documentation on restarting DJ
Add jobs:check rake task to test for liveness.

This task exits with failure status if there are old jobs that have
not been picked up by workers. This can be used for monitoring.