Merge branch 'master' of https://gitlab.com/ArmarX/RobotAPI

data/RobotAPI/robots/Armar3/ArmarIII-Head.xml

data/RobotAPI/robots/Armar3/ArmarIII-LeftArm.xml

source/RobotAPI/components/units/ForceTorqueObserver.cpp

source/RobotAPI/components/units/ForceTorqueObserver.h

source/RobotAPI/components/units/HandUnit.cpp

source/RobotAPI/components/units/HandUnit.h

source/RobotAPI/components/units/HapticObserver.cpp

source/RobotAPI/components/units/HeadIKUnit.cpp

source/RobotAPI/components/units/KinematicUnitObserver.cpp

.../SensorActorWidgetsPlugin/ArmarXPlotter/ArmarXPlotter.cpp

source/RobotAPI/interface/speech/SpeechInterface.ice

source/RobotAPI/interface/units/HandUnitInterface.ice