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

data/RobotAPI/VariantInfo-RobotAPI.xml

source/RobotAPI/components/units/HeadIKUnit.cpp

source/RobotAPI/components/units/RobotUnit/CMakeLists.txt

...ers/NJointHolonomicPlatformRelativePositionController.cpp

...llers/NJointHolonomicPlatformRelativePositionController.h

source/RobotAPI/components/units/RobotUnit/RobotUnit.cpp

...tAPI/components/units/RobotUnit/Units/PlatformSubUnit.cpp

...botAPI/components/units/RobotUnit/Units/PlatformSubUnit.h

source/RobotAPI/components/units/RobotUnit/util/RtTiming.h

...botAPI/libraries/RobotAPINJointControllers/CMakeLists.txt