PIM-765 Created the Widget Registry and registered widgets
PIM-765 Introduced completeness widget
Merge branch 'master' into feature/PIM-765
PIM-765 Move the widgets management into the DashboardBundle
Handle unknown widget error
PIM-765 Integrated widgets over the existing widget of links
PIM-765 Fixed phpdocs
PIM-765 Created the links widget
PIM-765 Provided a phpspec class template to override
PIM-765 Moved the products completeness count method to the product repo
PIM-765 Use product class di parameter
PIM-765 Reuse existing css class
PIM-765 Fixed phpcs
PIM-765 Described the completeness widget feature
PIM-765 Fixed css color variables
PIM6765 Prevented counting multiple times the same products
PIM-765 Updated changelog
Merge branch 'master' into feature/PIM-765

Conflicts:
	CHANGELOG.md
Merge branch 'master' into feature/PIM-765

Conflicts:
	src/Pim/Bundle/CatalogBundle/Entity/Repository/MongoDBODM/ProductRepository.php
	src/Pim/Bundle/DashboardBundle/Resources/translations/messages.en.yml
	src/Pim/Bundle/DashboardBundle/Resources/views/Dashboard/index.html.twig
PIM-765 Used route name as acl name for the links widget