sunblind transmittance factor and ratio of shading

Describe the bug The MODEL AixLib.Building.Components.Weather.Sunblinds.BaseClasses.PartialSunblind defines a parameter gsublind as transmittance factor of solar irradiation but the factor was propagated and renamed to ratioSunblind, which means the share of how much the sunblind is closed

To Reproduce Steps to reproduce the behavior:

1. Go to AixLib.Building.HighOrder.Examples.OFD_1Jan
2. Parmetrize the building model use_sunblind = true and ratioSunblind = 1
3. One expect to have closed sunblinds at hight irradiation and outside temperature. But one have to set ratioSunblind = 0 in order to achieve desired result.

Expected behavior Ill change passing through the parameters, such that ratioSunblind = 1 - gsunblind`. Furthermore, I'll have a look at corresponding wall models.

Screenshots ...

Desktop (please complete the following information):

• Dymola 2018 FD01