refactor: started shipping rules

ajax/backend/rules/getList.php

bin/backend/ShippingRules.js

bin/backend/classes/ShippingRules.js

bin/backend/controls/ShippingEntry.List.js

bin/backend/controls/ShippingEntry.html

bin/backend/controls/ShippingEntry.js

bin/backend/controls/shippingRules/CreateRule.js

bin/backend/controls/shippingRules/ShippingRuleList.js

bin/backend/controls/shippingRules/ShippingRuleListWindow.js

database.xml

locale.xml

src/QUI/ERP/Shipping/Methods/Standard/Shipping.php

src/QUI/ERP/Shipping/Rules/Factory.php

src/QUI/ERP/Shipping/Rules/ShippingRule.php

src/QUI/ERP/Shipping/Types/ShippingEntry.php