reordered directory structure

source/RobotAPI/CMakeLists.txt

...applications/ForceTorqueObserver/ForceTorqueObserverApp.h

.../ForceTorqueUnitSimulation/ForceTorqueUnitSimulationApp.h

...otAPI/applications/HandUnitObserver/HandUnitObserverApp.h

...I/applications/HandUnitSimulation/HandUnitSimulationApp.h

.../RobotAPI/applications/HapticObserver/HapticObserverApp.h

source/RobotAPI/applications/HeadIKUnit/HeadIKUnitApp.h

...ications/KinematicUnitObserver/KinematicUnitObserverApp.h

...ions/KinematicUnitSimulation/KinematicUnitSimulationApp.h

...ce/RobotAPI/applications/MotionControl/MotionControlApp.h

...API/applications/MotionControlTest/MotionControlTestApp.h

...plications/PlatformUnitObserver/PlatformUnitObserverApp.h

...ations/PlatformUnitSimulation/PlatformUnitSimulationApp.h

source/RobotAPI/applications/RobotControl/RobotControlApp.h

source/RobotAPI/applications/RobotControlUI/RobotControlUI.h

...applications/RobotStateComponent/RobotStateComponentApp.h

...I/applications/RobotStateObserver/RobotStateObserverApp.h

.../RobotAPI/applications/TCPControlUnit/TCPControlUnitApp.h

source/RobotAPI/applications/TCPMoverUnit/TCPMoverUnitApp.h

...API/applications/WeissHapticSensor/WeissHapticSensorApp.h