Import equiplet node form development
Added parsing of JSON BB callback to EquipletStep Object

Fix later

Conflicts:
	src/cpp/libraries/rexos_blackboard_cpp_client/src/BlackboardCppClient.cpp
	src/cpp/ros/equiplet_node/CMakeLists.txt
	src/cpp/ros/equiplet_node/include/equiplet_node/EquipletNode.h
	src/cpp/ros/equiplet_node/src/EquipletNode.cpp
Broken equiplet_node fix later
More equiplet merge and still broken
Equipletnode builds.
Finish dirty equiplet-node merge