Update the Travis file of the workbench
fix docblocks in filesystem
Added league/flysystem to illuminate/filesystem.
Fix auth docblocks
$value implements RenderableInterface
Remove useless $app argument
Fix connection binding.
Fix queue connection binding.
Updating provides.
Fix mailer queue dependency
fix output buffering levels
Top of Europe.
Fixing route output.
Merge pull request #5554 from antonioribeiro/queues

Fix mailer queue dependency
Add an exception handler contract.
Add logger contract.
Work on the logger contract.
Run provider boot method through Container call.
Rename interface.
Make boot method more free form.