PIM-3134: clean twig and css code
WIP full template generation with tagged services
PIM 3134: inversed skip buttons label
Merge pull request #1450 from akeneo/PIM-3134

PIM-3134: added sequential edit progress bar
WIP fix comments and licenses throughout recently added files
PIM-3134: fixing less files and changed to use bootstrap grid system
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
Merge pull request #1449 from akeneo/PIM-3133

PIM-3133 : Save Sequential Edit entity
Merge pull request #1451 from akeneo/PIM-3134

PIM-3134: fixing less files and changed to use bootstrap grid system
PIM-3147: transaltion of messages and indentation fixes
Merge pull request #1452 from akeneo/PIM-3147

PIM-3147: translation of messages and indentation fixes
Add missing queries in upgrade doc
PIM-3135: Clear backend storage for current user
PIM-3135: Remove useless xml http request predicate
Merge pull request #1453 from akeneo/PIM-3135

PIM-3135: Clear backend storage for current user
WIP html template