re #37 update the phone numbers of the seller users in the database
initialization script
re #37 add new fields in the seller user edition page : last name, first
name, phone number and job position
re #37 add fields rules in the seller user template edition for last
name, first name, phone number and job position
re #37 correct error in i18n name
Merge pull request #62 from jean553/fix_37

Fix 37 - SellerUser - add rules on fields in seller user edition