PIM-3371 : rename product:validate command, re-work product:update
command
PIM-3371 : rename product query help command
PIM-3371 : add a product query command
PIM-3371 : update metric validator for product values case
Merge pull request #1852 from akeneo/DX/refactor-catalog-commands

PIM-3371 : re-work and add product commands (query, query help, validate, update)