Added classes to manage progress bars in commands
Update demo reference
Merge branch 'master' of github.com:akeneo/pim-community-dev
Changed user fixture locale for en_US if available
Merge branch 'master' of github.com:akeneo/pim-community-dev
Fixed PIM-1495
PIM-1330 : customize the mass delete product to take grid context
(locale, scope) and category filter parameters in account
Added ExclusionPolicy to all entities
PIM-1330 : add scenario to mass delete products
PIM-1330 : update change log
Merge pull request #449 from akeneo/PIM-1330

[WIP] PIM-1330 : fix mass delete products
Merge pull request #448 from akeneo/task/command_progress

Added classes to manage progress bars in commands
fixed CS
PIM-1431 : move history tab in last position
CS fix
PIM-1492 Add label when creating new attribute choices in the product edit form
Merge pull request #452 from akeneo/feature/jms_serializer_exclude

Added ExclusionPolicy to all entities
Merge branch 'master' into flexibleentity

Conflicts:
	src/Pim/Bundle/CatalogBundle/Entity/AttributeOption.php
	src/Pim/Bundle/CatalogBundle/Entity/AttributeOptionValue.php
	src/Pim/Bundle/CatalogBundle/Entity/ProductValue.php