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Merge pull request jobbyphp#53 from Swader/patch-1

Update BackgroundJob.php

Apply actual changes for jobbyphp#49

- Merging is hard

Merge remote-tracking branch 'xabbuh/master'

 Conflicts:
	README.md

Revert "Visibility to private, where possible."

This reverts commit f3c4c05.

Merge branch 'SchulteMarkus-master'

Merge branch 'bentinata-master'

Merge pull request jobbyphp#24 from stricte/mail_transport_for_swiftm…

…ailer

Mail transport support for Swiftmailer