Add validation when saving parameters to guarantee database integrity
Fix missing use statement
Improvements for parameter validation
Change value type of Parameter to object
Cosmetic fix in Settingsmanager
Move assets into public folder
Merge pull request #1241 from JRomeoSalazar/move-assets

[Addressing], [Promotions], [Shipping], [Web] Move assets into public folder
Merge pull request #1246 from kayue/patch/update-order-payment

Update order payment amount before paid.
Merge pull request #1243 from kayue/patch-15

Fix PayPal notify url.
Add missing validation group.
Merge pull request #1250 from kayue/patch-16

Add missing validation group.
Merge pull request #1193 from ruudkobes/parameter-fix

[SettingsBundle] Add validation when saving parameters to guarantee database integrity
Allow null values in TaxonSelectionToCollectionTransformer
Merge pull request #1254 from umpirsky/fix/TaxonSelectionToCollectionTransformer

Allow null values in TaxonSelectionToCollectionTransformer
Purge expired pending orders.
Do not purge if order contains any on-hold inventory unit
Add “sylius:order:release” command to release on-hold inventory
Fix order release command.
Clean up
Dispatch “SyliusOrderEvents::POST_RELEASE” event after flush