PIM-3045: Update behat.yml from jenkins build
PIM-3045: Launch behat on specific tags
Don't display the mass edit action for families if edit rights are not granted
Display message when leaving the role form with unsaved changes
Merge pull request #1341 from akeneo/PIM-3040

Don't display the family mass edit action if edit rights are not granted
Merge pull request #1342 from akeneo/PIM-3046

Display message when leaving the role form with unsaved changes
Merge pull request #1339 from akeneo/PIM-3045

PIM-3045: Update behat.yml from jenkins build
PIM-2985 : update knp menu to stable version
PIM-2669: Remove backendStorage property from attribute
PIM-2669: Update CHANGELOG.md
Merge pull request #1340 from akeneo/PIM-2669

PIM-2669: Remove backendStorage property on attribute entities
PIM-2992: Update specs and UT
PIM-2992: Redefine services injecting metric factory
PIM-2992: Update CHANGELOG.md
Update UPGRADE-1.2.md
Update UPGRADE-1.2.md
Merge pull request #1337 from akeneo/PIM-2992

PIM-2992: Use Metric Factory
PIM-3048: Throws and exception if fixture directory does not exist
PIM-3048: Update CHANGELOG.md
PIM-3048: Change exception thrown