TiGLViewer: deactivated some menu entries, if no fuselages or wings are present
TiGLViewer: deactivated some menu entries, if no fuselages or wings are present

DLR-SC/tigl,codingpoets/tigl,codingpoets/tigl,DLR-SC/tigl,DLR-SC/tigl,codingpoets/tigl,codingpoets/tigl,codingpoets/tigl,DLR-SC/tigl,DLR-SC/tigl,DLR-SC/tigl,codingpoets/tigl