Merge remote-tracking branch 'origin/natik' into SecondHandsDemo2020

...tControllers/NJointCartesianNaturalPositionController.cpp

...intControllers/NJointCartesianNaturalPositionController.h

...ionController/CartesianNaturalPositionControllerWidget.ui

...er/CartesianNaturalPositionControllerWidgetController.cpp

...ller/CartesianNaturalPositionControllerWidgetController.h

...terface/core/CartesianNaturalPositionControllerConfig.ice

...ts/RobotUnit/NJointCartesianNaturalPositionController.ice

...API/libraries/core/CartesianNaturalPositionController.cpp

...otAPI/libraries/core/CartesianNaturalPositionController.h

...e/RobotAPI/libraries/core/CartesianPositionController.cpp

source/RobotAPI/libraries/core/CartesianPositionController.h

...PI/libraries/core/CartesianVelocityControllerWithRamp.cpp

...tAPI/libraries/core/CartesianVelocityControllerWithRamp.h

...braries/natik/CartesianNaturalPositionControllerProxy.cpp

...libraries/natik/CartesianNaturalPositionControllerProxy.h