completing implementation for single bus simulation, moving door drive technology from primary to completed vehicle, correction busaux pneumatic data in .vmod

renaming classes/interfaces, renaming modalresults fields, adding new modal result fields for BusAux, removing old AAux fields, refactoring bus auxiliaries

implementation for xml gearbox version 2.6 (gbx includes differential), implementation of vehicle type and components type for medium lorry, support for vehicles with differential included

finished writing pif. allow pass-through of input data and even XML from input to reports (pif, mrf)

refactoring writing manufacturer report: introduce abstract base class, derived class for exempted, primary bus, truck
started with primary information report

refactoring signature of creategearbosdata method in dataadapter classes - adapting usage; allow disabling last 1 or 2 gears.

read effshift parameters for tc->L shift from .vtcu file; add standard values to declaration data folder

testing additional model parameters: min engine speed post-upshift; estimated power including v_drop, ...

remove bus database, remove unused signals (alternator), cleeanup comments, remove derivedcompressortype, use enum for compressortype

refactoring aaux: separate reading/writing data from model parameters - introduce reader classes, separate default values, only use minimal set of model parameters (don't serialize whole classes), make testcases run again

refactoring hvac tech benefits: adding separate reader, adding data to declaration resource, adapt testcase, cleanup no longer needed things. testcases OK