[IMP] account*: Improve the settings form view

addons/account/__manifest__.py

addons/account/models/company.py

addons/account/models/res_config.py

addons/account/views/account_view.xml

addons/account/views/res_config_view.xml

addons/account_accountant/__init__.py

addons/account_accountant/__manifest__.py

addons/account_accountant/models/__init__.py

addons/account_accountant/models/res_config.py

addons/account_accountant/views/res_config_view.xml

addons/account_analytic_default/__manifest__.py

addons/account_analytic_default/views/res_config_view.xml

addons/account_asset/__manifest__.py

addons/account_asset/views/res_config_view.xml

addons/account_budget/__manifest__.py

addons/account_budget/views/res_config_view.xml

addons/base_vat/__manifest__.py

addons/base_vat/models/__init__.py

addons/base_vat/models/res_company.py

addons/base_vat/models/res_config.py