PIM-3197 : refactor product query builder to add dedicated filters and sorters registry
PIM-3197 : refactor query help command
PIM-3197 : add localizable and scopable info in help command
PIM-3197 : re-work and spec the product query builder
PIM-3197 : add dumpers services to extract logic from help command
PIM-3197 : rename register(s) methods
PIM-3197 : rename filter and sorter registry
PIM-3197 : rename product query services
Merge pull request #1609 from akeneo/refactor/product_query_builder_registry

Refactor/product query builder registry
PIM-3197: add specs to the sorters
PIM-3197: clean phpdoc
PIM-3197: add specs to the filters