Doctrine driver factory
Sync Crowdin translations
Clean headers
Clean headers
Merge pull request #1097 from SyliusBot/feature/sync

Sync Crowdin translations
Fixes issue #1095
Merge pull request #1087 from aRn0D/driver-factory

[ResourceBundle][proposal/idea]Doctrine driver factory
BugFix #1046 : Undefined method SessionInterface::getFlashBag()
Bug fix #995
Make ProcessValidator extendable
Take current item quantity from cart into account when checking stock
Merge pull request #1098 from umpirsky/fix/issue-1095

Fixes issue #1095
Merge pull request #1102 from umpirsky/feature/extensible-process-validator

Make ProcessValidator extendable
add order left asc in children and entity
Add getLastShipment() to OrderInterface.
Merge pull request #1104 from kayue/patch-7

Add back the missing getLastShipment() to OrderInterface.
PayPal's L_PAYMENTREQUEST_0_AMT should take unit price.
Extendable backend menu
Shipment state on hold while payment is processing
Merge pull request #1108 from kayue/patch-7

PayPal's L_PAYMENTREQUEST_0_AMT bug fix.