Moved units from libraries to components

...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

...plications/PlatformUnitObserver/PlatformUnitObserverApp.h

...ations/PlatformUnitSimulation/PlatformUnitSimulationApp.h

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

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

source/RobotAPI/components/CMakeLists.txt

source/RobotAPI/components/units/CMakeLists.txt

source/RobotAPI/components/units/ForceTorqueObserver.cpp

source/RobotAPI/components/units/ForceTorqueObserver.h

source/RobotAPI/components/units/ForceTorqueUnit.cpp

source/RobotAPI/components/units/ForceTorqueUnit.h

...e/RobotAPI/components/units/ForceTorqueUnitSimulation.cpp

source/RobotAPI/components/units/ForceTorqueUnitSimulation.h