PIM-2876: Avoid to store twice the product associations in MongoDB
Fix random CS
add fallback on en locale
update changelog
PIM-3122: Method in user group repository to get all groups but the default one
Merge pull request #1429 from akeneo/PIM-3122

PIM-3122: Method in user group repository to get all groups but the default
Fix specs on Travis
Merge pull request #1428 from akeneo/PIM-3123

add fallback on en locale
Merge pull request #1430 from akeneo/fix/spec

Fix specs on Travis
Merge pull request #1426 from akeneo/PIM-2876

PIM-2876: Avoid to store twice the product associations in MongoDB
Update CHANGELOG.md
PIM-2876: fix null pointer exception
Merge pull request #1432 from akeneo/fix/install

PIM-2876: fix null pointer exception
Add behat scenario to check if product history is updated when removing linked categories
Rename pim_number form type transformer and always add it to the form
Version products when an attribute or attribute option is removed
Fix product versioning when removing attributes or attribute options
Don't re-version products inside a category unless it is removed
Fix cascading attribute option removal to products in mongo