added RobotStatechartHelpers

source/RobotAPI/libraries/CMakeLists.txt

.../RobotAPI/libraries/RobotStatechartHelpers/CMakeLists.txt

...PI/libraries/RobotStatechartHelpers/ForceTorqueHelper.cpp

...tAPI/libraries/RobotStatechartHelpers/ForceTorqueHelper.h

...aries/RobotStatechartHelpers/PositionControllerHelper.cpp

...braries/RobotStatechartHelpers/PositionControllerHelper.h

...braries/RobotStatechartHelpers/RobotStatechartHelpers.cpp

...libraries/RobotStatechartHelpers/RobotStatechartHelpers.h

...aries/RobotStatechartHelpers/VelocityControllerHelper.cpp

...braries/RobotStatechartHelpers/VelocityControllerHelper.h

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

source/RobotAPI/libraries/core/CartesianPositionController.h