corrected error in engine inertia computation for GUI, removed checkbox for TC (only depends on transmission type)

removing commented lines (during refactoring/removing vecto 2.2 core), removing redundant qualifiers

adapting vecto gui to get rid of 'Declaration' Folder and use declaration data from vecto core; refactoring, removing no longer required files / classes

adapting gearbox file: maxTorque, shift polygon for torque converter

ComputeShiftPolygon: Exception when less than 2 gears are given, GUI UpdatePic checks for Gear-Count > 1