Merge branch 'feature/subgroup_allocation' into 'amdm2/develop'

VectoCommon/VectoCommon/InputData/EngineeringInputData.cs

VectoCore/VectoCore/Models/Declaration/DeclarationData.cs

VectoCore/VectoCore/Models/Declaration/WeightingFactors.cs

VectoCore/VectoCore/Models/Declaration/WeightingGroups.cs

VectoCore/VectoCore/OutputData/DeclarationReport.cs

...ile/CustomerInformationFile_0_9/AbstractCustomerReport.cs

...port/ManufacturerReport_0_9/AbstractManufacturerReport.cs

...tputData/XML/DeclarationReports/VTPReport/XMLVTPReport.cs

VectoCore/VectoCore/OutputData/XML/XMLDeclarationReport.cs

...re/OutputData/XML/XMLDeclarationReportCompletedVehicle.cs

...re/Resources/Declaration/CO2Standards/WeightingGroups.csv

...e/VectoCoreTest/Models/Declaration/DeclarationDataTest.cs

...toCoreTest/Models/Declaration/WeightingGroupHelperTest.cs