Merge remote-tracking branch 'origin/master' into feature/remove-3rd-party-code

CMakeLists.txt

CMakeModules/Findqwt.cmake

...s/DynamicsEngine/BulletEngine/tests/BulletFactoryTest.cpp

SimoxQtUtility/qwt/SimoxQwtColorMap.cpp

SimoxQtUtility/qwt/SimoxQwtColorMap.h

SimoxQtUtility/qwt/SimoxQwtSpectrogramData.cpp

VirtualRobot/EndEffector/EndEffectorActor.cpp

VirtualRobot/IK/RobotPoseDifferentialIK.cpp

VirtualRobot/IK/RobotPoseDifferentialIK.h

VirtualRobot/ManipulationObject.cpp

VirtualRobot/ManipulationObject.h

VirtualRobot/Obstacle.cpp

VirtualRobot/Obstacle.h

VirtualRobot/XML/BaseIO.cpp

VirtualRobot/examples/RobotViewer/DiffIKWidget.cpp

VirtualRobot/tests/VirtualRobotIOTest.cpp

VirtualRobot/tests/VirtualRobotMujocoMeshTest.cpp