Merge branch 'feature/robot-reader-return-proprioception-data' into 'master'

...cts/client/articulated_object/ArticulatedObjectWriter.cpp

...raries/armem_objects/client/articulated_object/Reader.cpp

source/RobotAPI/libraries/armem_robot/aron/RobotState.xml

source/RobotAPI/libraries/armem_robot/types.h

source/RobotAPI/libraries/armem_robot_state/CMakeLists.txt

.../RobotAPI/libraries/armem_robot_state/aron/JointState.xml

...RobotAPI/libraries/armem_robot_state/aron_conversions.cpp

...e/RobotAPI/libraries/armem_robot_state/aron_conversions.h

...libraries/armem_robot_state/client/common/RobotReader.cpp

...I/libraries/armem_robot_state/client/common/RobotReader.h

...libraries/armem_robot_state/client/common/RobotWriter.cpp

...es/armem_robot_state/client/common/VirtualRobotWriter.cpp