[PromotionBundle] The collection form type uses the new CollectionExtension
[PromotionBundle] Collection type refactoring
[PromotionBundle] Behat fixes
Add cascade to product options field (doctrine mapping)

Change cascade from all to persist
Merge pull request #2247 from steffenbrem/fix-options-persist

[Product][Easy] Add cascade to product options field (doctrine mapping)
Merge pull request #2239 from aRn0D/promotion

[PromotionBundle] The collection form type uses the new CollectionExtension
PhpSpec config has been added with ps4 support