PIM-2803: Define properties as protected
PIM-2803: Define serializer property
PIM-2803: Inject EventDispatcher
PIM-2803: Reorganize use statements
PIM-2803: Inject EventDispatcher inside JobExecCtr
PIM-2803: Dispatch events
PIM-2803: Update CHANGELOG.md
PIM-2803: Add missing blank line
PIM-2803: Remove useless whitespaces
PIM-2803: Dispatch event before showing a job profile
Merge branch 'master' into PIM-2803
Update CHANGELOG.md
Rename constants used
Merge branch 'PIM-2803' of git://github.com/akeneo/pim-community-dev into PIM-2803
Merge branch 'master' into PIM-2803

Conflicts:
	CHANGELOG.md
Merge pull request #1193 from akeneo/PIM-2803

PIM-2803: Dispatch events