PIM-2035 : update the completeness filter to add the join and give only
completeness ratio less than 100 when choose no in filter
PIM-2035 : remove addCompleteness method
PIM-2035 : remove extra parameters from query builder
PIM-2035 : add completeness selector
PIM-2035 : introduce sorter interface
PIM-2035 : introduce completeness sorter
PIM-2035 : load sorters.yml
PIM-2035 : use completeness selector and sorter
PIM-2035 : fix completeness sorters in others grids
Merge branch 'master' into refactor/grid_product_completeness

Conflicts:
	src/Pim/Bundle/CatalogBundle/Entity/Repository/ProductRepository.php
PIM-2035 : introduce a method to join product completeness
PIM62035 : refactor completeness filter
PIM-2035 : refactor completeness selector
PIM-2035 : refactor completeness sorter
PIM-2035 : fix product grid sorter
PIM-2035 : rename CompletenessFilter to ProductCompletenessFilter to be
consistent
Update changelog
PIM-2035 : add sorter compiler pass to register sorters in sorter
extension
PIM-2035 : change sorter interface and completeness sorter (not anymore
a closure, but a real call)
PIM-2035 : use tagged service for the sorters