Avoid direct instanciation of metric in metric transformer
Update the changelog
Merge branch 'master' into refactor/metric-transformer

Conflicts:
	CHANGELOG.md
	src/Pim/Bundle/CatalogBundle/Resources/config/entities.yml
PIM-2919 : use metric class parameter in MetricType to avoid direct
instanciation
PIM-2919 : update the media transformer to inject the class name
PIM-2919 : inject media class in media factory
PIM-2919 : fix CS
PIM-2919 : introduce a builders configuration file in catalog bundle
PIM-2919 : rename the factory.yml file to factories.yml for consistency
PIM-2919 : avoid the direct instanciation of ProductPrice in
ProductBuilder by passing an array of classes as argument
PIM-2919 : rename product media entity parameter
PIM-2919 : pass classes as argument in EditCommonAttributes mass action
Merge pull request #1304 from akeneo/refactor/metric-transformer

Avoid direct instanciation of Metric, ProductMedia, ProductPrice