Update the Travis file of the workbench
Added league/flysystem to illuminate/filesystem.
fix output buffering levels
Faster int cast
Fixes path to use path.base for migration publisher
Merge pull request #5596 from lucasmichot/4.2-int-cast

[4.2] Performances : Integer casting
Update to use `path.database`
Merge pull request #5622 from rtablada/feature/fix-migrate-publish-path-4-3

Fixes path to use path.base for migration publisher in 4.3
Merge pull request #5560 from alprs/fix/ob-clear-all

Fix output buffering levels
Merge pull request #5543 from FrenkyNet/master

Added league/flysystem to illuminate/filesystem.
Merge pull request #5540 from AntoineAugusti/4.2

Update the Travis file of the workbench
Clean up a few doc blocks.
Merge branch '4.2'
Segregate Mail interface.
Add a basic routing registrar contract.
Add a basic application contract.
Extend the container interface from app.
Change a doc block.
Working on interfaces for mailer.
Fix alias.