Send job execution notif to the current logged in user
Throw the invalid item exception inside readers

Improve the UI to display the invalid item
Display job and steps error in the report
PIM-1377 : add missing unit test for product groups converter
Merge pull request #373 from akeneo/feature/invalid-item-handling

[Import Export] Invalid item handling
Merge pull request #367 from akeneo/bugfix/override-mail-batch-execution

Send job execution notif to the current logged in user
Updated oro platform
Merge branch 'master' into feature/export_media
Refresh media entity before assertion