Some work related to #31.

* warnings with .streams replaced by asserts in eqAirTemp
* Test_Case 11 improved with hidden connection to cool heating
* EqAirTemp improved by possibility to ignore longwave radiation exchange
* Test_Case 10 and 8 improved by using new EqAirTemp function
* EqAirTemp improved by changing from cardinality to optional connector
* Deleted no longer necessary VDI_components
* Improved EqAirTemp by changing from loops to vector calculations
* fixed error in eqAirTempEBCMod that accounted shading on walls
* Improved Test_Case 10 by using the correct ReducedOrderModel
* Changed name of connector in IdealHeaterCooler
* Changed some names in the Examples and Test_Case 7 and 11