Fix cs
Merge pull request #1944 from akeneo/fix-cs

Fix cs
PIM-2451 : first POC of product template storage
PIM-2451 : declare denormalizers, hot fix the product value and media
PIM-2451 : update the demo command
PIM-2451 : add a detacher to detach an object
PIM-2451 : fix the error msg
PIM-3530 : re-work the group saver to prepare the appliance of template
on products
PIM-3530 : split command
PIM-3542 : add a ProductTemplateInterface and make the relation
unidirectional
PIM-3530 : add a product template updater
PIM-2455 : POC mark values as coming from a variant group in product
form
PIM-2455 : revert media denormalizer fix
PIM-3545 : skip image when create template in test command
PIM-3530 : add a first spec for product form view
PIM-3530 : add a first version for variant group values import
PIM-3530 : re-work the group saver to copy variant group values and add
specs
PIM-3530 : re-work the product template manager and add specs
PIM-3530 : rename processor and writer to avoid to expose the concept of
product template
PIM-3530 : update the processor to erase the template values during
import and deal with validation