counter of number of generation must be +1

FIX Missing import key on social contributions and missing class to
manage type of social contributions.

correctly recognised as credit note.

Very usefull when we have many rappro
Maybe do the same on other paiement

Can change position of lines in recurring invoices

lost information we were working in template/recurring invoice.

Can set project on invoice during creation of invoice from a template
Replace duplicated code to show lines with mutualized code