[FIX] account_analytic_(plan)_required: make policies translatable

Plus: use lambda trick in the selection field for readability
[REF] auto-fix conventions
[FIX] Remove lines between class and doc
[FIX] Pylint
Merge pull request #19 from oca-travis/7.0-autofix-script-01-dev-moylop260

[REF] auto-fix conventions
Merge pull request #18 from acsone/7.0-analytic_required-translatable-sbi

[FIX] account_analytic_(plan)_required: make policies translatable
Forward port branch '7.0' until a72d1795c783e5
Merge pull request #20 from acsone/8.0-forward-port-sbi

[8.0] Forward port branch '7.0' until a72d179