PIM-2184 : move product family sorter
PIM-2184 : move completeness sorter
PIM-2184 : update sorters conf
PIM-2184 : add sorter by family and completeness methods in product
repository (ORM)
PIM-2184 : add sort by family in PQB (ORM)
PIM-2184 : add missing methods in product query builder and repository
(ODM)
PIM-2184 : implement filter by family (MongoDB)
PIM-2184 : fix completeness formating issue with MongoDB
PIM-2184 : implements completeness sorter (MongoDB)
PIM-2184 : rename hydrator
PIM-2184 : rename hydrator
PIM-2184 : update references
Added nice errors for import
PIM-2184 : move hydrator spec
Merge pull request #913 from akeneo/mongo/family-and-completeness-sorters

Family and completeness sorters (MongoDB support)
Fix CS
Merge pull request #914 from akeneo/feature/nice_installer_errors

Added nice errors for import
PIM-2236 : fix bug which occurs when there is no product properties
displayed inthe grid (only attributes values)
Merge branch 'master' into PIM-2247