Move ObjectPoseObserver plugins to ArmarXObjects

source/RobotAPI/components/ObjectPoseObserver/CMakeLists.txt

...nents/ObjectPoseObserver/plugins/ObjectPoseClientPlugin.h

...nts/ObjectPoseObserver/plugins/ObjectPoseProviderPlugin.h

...otAPI/components/ObjectPoseProviderExample/CMakeLists.txt

...s/ObjectPoseProviderExample/ObjectPoseProviderExample.cpp

...nts/ObjectPoseProviderExample/ObjectPoseProviderExample.h

source/RobotAPI/libraries/ArmarXObjects/CMakeLists.txt

...ibraries/ArmarXObjects/plugins/ObjectPoseClientPlugin.cpp

.../libraries/ArmarXObjects/plugins/ObjectPoseClientPlugin.h

...raries/ArmarXObjects/plugins/ObjectPoseProviderPlugin.cpp

...ibraries/ArmarXObjects/plugins/ObjectPoseProviderPlugin.h

...tAPI/libraries/ArmarXObjects/plugins/RequestedObjects.cpp

...botAPI/libraries/ArmarXObjects/plugins/RequestedObjects.h