Merge branch 'pose-cov-visu' into 'master'

data/RobotAPI/robots/CameraOnTripod/CameraOnTripod.xml

data/RobotAPI/robots/CameraOnTripod/models/camera.wrl

scenarios/ArMemObjectMemory/ArMemObjectMemory.scx

scenarios/ArMemObjectMemory/config/RobotStateComponent.cfg

...s/ObjectPoseProviderExample/ObjectPoseProviderExample.cpp

source/RobotAPI/libraries/ArmarXObjects/ObjectPose.cpp

...RobotAPI/libraries/ArmarXObjects/PoseManifoldGaussian.cpp

...e/RobotAPI/libraries/ArmarXObjects/PoseManifoldGaussian.h

...RobotAPI/libraries/armem_objects/server/instance/Visu.cpp

...e/RobotAPI/libraries/armem_objects/server/instance/Visu.h