[ADD] Account : Set default supplier on partner for Bank Statements.
[Merge] with latest code .
[IMP] Remove required on BIC.
[IMP] Improve code and add domain on partner field on bank statement view.
[MERGE] merge with lp:openobject-addons
[MERGE] [IMP] accounting: usability
- bank statement form view: partner is usually a supplier, add default suplier
is context of partner_id
- bank account form view: bank bic not required anymore
[FIX] website's slug() should check if slugified string is empty