[FIX] - sale_commission and hr_payroll_pay_commission report and translation improvements.

Changes
* sale_commission: Commissions report and translations.
* hr_payroll_pay_commission: Commissions report.
Merge pull request #31 from CLEARCORP-dev/7.0_sale_commission

[FIX] - sale_commission and hr_payroll_pay_commission report and transla...