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

# Conflicts:
#	VirtualRobot/CMakeLists.txt

Hemisphere Joint IK

Closes #62

See merge request sw/simox/simox!121

Merge remote-tracking branch 'origin/feature/hemisphere-joint-ik-with-roso-joint-four-bar' into feature/torso-joint-four-bar

Fix/eigen nlohmann incompatibility

See merge request sw/simox/simox!117

# Conflicts:
#	VirtualRobot/IK/DifferentialIK.cpp
#	VirtualRobot/Nodes/RobotNodeHemisphere.cpp

Replace tabs with spaces

CI: Trigger ArmarX pipeline when pushing to master

See merge request sw/simox/simox!118

Grasp RRT Demo: Fix relative path and modernize code

See merge request sw/simox/simox!119

robot: setting config for all joint types; properly using FourBarFactory; fixes to FourBarJoint; first version working