Isolate PIM configuration into a single file and avoid to use prepend config
Set a parameter for storage_driver
Improve access management for attribute groups
Remove redundant anchor tags when user doesn't have the right to edit attribute groups
Merge pull request #1349 from akeneo/PIM-3037

Improve access management for attribute groups
Change Jenkins configuration for mongo builds
Update CHANGELOG
Create a file property formatter
Merge pull request #1350 from akeneo/PIM-3032

Create a file property formatter
Merge pull request #1344 from akeneo/fix/config

Clean PIM configuration
Merge branch 'master' into fix/update-knpmenu