[IMP] account: Add multi-company record rule for analytic entries report

As a multi-company rule is already present for account.analytic.account and account.analytic.line, should have one on the report on both of them.
[FIX] point_of_sale: details of sales report: include discount when computing taxes

Also, fixed a typo in the report's view.
Merge branch '8.0' of https://github.com/odoo/odoo into 8.0-linux64