[FIX]Added the refernce of the supplier in price_get method while creating purchase order from purchase requisition, as without supplier the price unit in PO was 0 when the pricelist item was based on Supplier Price in the product form
Remove old FR VAT taxes 19.6% and 7.0%.
Remove the FR VAT tax 5.0% that has never seen the light !
[FIX] sale: make invoice for SO grouped by partner based on partner_invoice_id instead of just partner_id

For two sale order, if the partner_id were different but the partner_invoice_id were identical, the make invoice grouped by partner created two different invoices
[MERGE] l10n_fr: remove obsolete French taxes, following 2014 rate update, courtesy of Alexis de Lattre (Akretion)
[MERGE] [FIX] purchase_requisition: when getting the price based on the pricelist for a supplier, pass the missing supplier id (useful for pricelist based on supplier price) (opw 601890)
[FIX] project: on project template duplication, keep original tasks stages
[MERGE] Forward-port of latest 7.0 bugfixes, up to rev. 9929 revid:dle@openerp.com-20140325104921-x8zjx5p71l1o3uif