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

data/RobotAPI/VariantInfo-RobotAPI.xml

source/RobotAPI/components/units/GraspCandidateObserver.cpp

source/RobotAPI/components/units/GraspCandidateObserver.h

source/RobotAPI/interface/CMakeLists.txt

...tAPI/interface/core/CartesianPositionControllerConfig.ice

...I/interface/observers/GraspCandidateObserverInterface.ice

...otAPI/interface/units/GraspCandidateProviderInterface.ice

...aries/RobotStatechartHelpers/PositionControllerHelper.cpp

...braries/RobotStatechartHelpers/PositionControllerHelper.h

source/RobotAPI/libraries/core/CMakeLists.txt

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

source/RobotAPI/libraries/core/CartesianPositionController.h

...e/RobotAPI/libraries/core/CartesianVelocityController.cpp

source/RobotAPI/libraries/core/RobotAPIObjectFactories.cpp

source/RobotAPI/libraries/core/SimpleDiffIK.cpp

source/RobotAPI/libraries/core/SimpleDiffIK.h

source/RobotAPI/libraries/core/SimpleGridReachability.cpp

source/RobotAPI/libraries/core/SimpleGridReachability.h