Commerce component
- Remove Bundles dependency (Core/Commerce/LibPhoneNumber).
- rename boolean getters from getXXX() ot isXXX().
- phpdoc property types (int/integer, bool/boolean).
- hasXXXs (at least one) method.
- setXXXs : clear current collection, use addXXX to rebuild the new collection.
- use doctrine embeddables for order addresse ?
- doctrine mappings : indexes and constraints (position for example)
- attribute set update : disallow ? warn about variants with undefined attribute slots ?
- customer / customer group (ManyToOne) and tax resolver.
- print catalog