[IMP] models.py: increase logging level for columns that can't be casted automatically when upgrading a module.
[FIX] account_analytic_analysis: default pricelist for contract sales order

With 'Fixed Price' enabled, a button giving the possibility to list all sale orders appears.
When browsing the list, there the possibility to create a new sale order.
The contract pricelist should be used by default when coming from this specific button.
Merge branch '8.0' of https://github.com/odoo/odoo into 8.0-win32