Type hinting specs \o/
Creating VariableProduct component
Fixing specs
 Fixing hardcoded references to VariableProductBundle classes
Fix composer.json
Misc files for VariableProduct component
Merge pull request #588 from jjanvier/feature/component/variable-product

[Component] VariableProduct
Fix InstallerBundle specs
Polish CartBundle specs
Polish OrderBundle specs
Polish ResourceBundle specs
Polish PayumBundle specs
Fix PromotionBundle specs
Polish ProductBundle specs
Polish VariableProductBundle specs
Various simple specs for bundles