FIX: copy extrafields when creating order from propale and creating
invoice from order
Add EIRL in llx_c_forme_juridique

This a not so new French type of company: Entreprise Individuelle à
Responsabilité Limitée (EIRL).
Migration script also added.
check extrafields before inserting in DB
Work around bug #1643
Work around bug #1644
#1681 Clear sort filter works partially in customers list
#1684 Clear sort filter works partially in interventions list
#1680 Clear sort filter works partially in prospects list
#1664 Can't sort by mobile phones in contact list
#1665 Can't clear sort filter on contacts list
#1666 Clear sort filter works partially in product/services
#1682 Date is missing in proposals list
#1683 Can't clear sort filter on proposals list
#1685-1686 Clear sort filter works partially in supplier invoices
#1689 Can't sort supplier invoice payments on amounts
Update list.php
#1698 Untranslatable strings in donation module admin
#1672 VAT accounts by default are lost in migration
#1688 The ref filter searches on rowid not on ref in unpaid supplier invoices list
Fix: Conflicts and remove duplicate code