PIM-3134: added sequential edit progress bar
PIM-3134: clean twig and css code
PIM 3134: inversed skip buttons label
Merge pull request #1450 from akeneo/PIM-3134

PIM-3134: added sequential edit progress bar
Merge branch 'PIM-3131' of github.com:akeneo/pim-community-dev into PIM-3131
PIM-3148: Change routing and create new controller

Conflicts:
	src/Pim/Bundle/EnrichBundle/Controller/MassEditActionController.php
PIM-3133: Define repositories and managers
PIM-3133: Save sequential edit entity
PIM-3133: Move files from catalog to enrich bundle