[FIX] hr_timesheet_sheet: forbid to record an attendance in a submitted timesheet
[FIX] hr_timesheet_sheet: forbid to record an attendance in a submitted timesheet (opw 592632)
[FIX] product: price computation failed when for pricelists based on Cost price for non-employee users
[FIX] multi_company: set currency of OpenERP US to USD in the demo data