Queue server config
Queue manager work
Implementing some JQJobs interfaces
Require apinstein/jqjobs
Write UploadJob

Writer is responsible for one track only now, and its logic exists in
one class so it can easily be reused elsewhere
Ignore tmp-uploads dir
Autoloader
Feed job + worker
Block composer files
Fix database for proper coaslesce IDs
Handle broken config data a bit nicer
Test enqueue methods