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

data/RobotAPI/VariantInfo-RobotAPI.xml

source/RobotAPI/applications/CMakeLists.txt

...botAPI/applications/GraspCandidateObserver/CMakeLists.txt

source/RobotAPI/applications/GraspCandidateObserver/main.cpp

source/RobotAPI/components/units/CMakeLists.txt

source/RobotAPI/components/units/GraspCandidateObserver.cpp

source/RobotAPI/components/units/GraspCandidateObserver.h

source/RobotAPI/interface/CMakeLists.txt

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

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