Updated cloning of scaled robot model

See merge request sw/simox/simox!115

Added linear scaling of primitive models;
Added method for linear scaling of node size and weight in RobotFactory, e.g. required for the MMM reference model;

Fix test on Ubuntu 22

See merge request sw/simox/simox!129

Signed-off-by: Rainer Kartmann <rainer.kartmann@kit.edu>

Resolve "`VirtualRobot::RobotNodeHemisphere` has no member named `second`"

Closes #68

See merge request sw/simox/simox!127

# Conflicts:
#   GeometricPlanning/ArticulatedObjectDoorHelper.cpp

improved VisualizationFactory interface

See merge request sw/simox/simox!126

Fix/urdf collision models

See merge request sw/simox/simox!125

improved VisualizationFactory interface; semi-transparen visualization of collision / primitive models

fix: collision nodes: previously ignored local pose; fixed also in visualization

See merge request sw/simox/simox!123

Use explicit namespace qualification

See merge request sw/simox/simox!124

Four bar joint system (early draft)

See merge request sw/simox/simox!120

Merge branch 'feature/torso-joint-four-bar' of git.h2t.iar.kit.edu:sw/simox/simox into feature/torso-joint-four-bar