PIM-3417: allow to use the YamlReader for real imports
Merge pull request #1881 from akeneo/PIM-3063

PIM-3417: allow to use the YamlReader for real imports
PIM-3508 : take context in account to identify an entity to version
Merge pull request #1882 from akeneo/PIM-3508-many-versions-per-request

PIM-3508 : take context in account to identify an entity to version
PIM-3063: fix the batch bundle display of errors