Merge files into memory_definitions, rename directory to match namespace

source/RobotAPI/libraries/armem/CMakeLists.txt

source/RobotAPI/libraries/armem/core/wm.h

source/RobotAPI/libraries/armem/core/wm/aron_conversions.cpp

source/RobotAPI/libraries/armem/core/wm/aron_conversions.h

source/RobotAPI/libraries/armem/core/wm/ice_conversions.cpp

source/RobotAPI/libraries/armem/core/wm/ice_conversions.h

source/RobotAPI/libraries/armem/core/wm/json_conversions.cpp

source/RobotAPI/libraries/armem/core/wm/json_conversions.h

...e/RobotAPI/libraries/armem/core/wm/memory_definitions.cpp

source/RobotAPI/libraries/armem/core/wm/memory_definitions.h

source/RobotAPI/libraries/armem/core/wm/visitor.h

...API/libraries/armem/core/wm/visitor/FunctionalVisitor.cpp

...otAPI/libraries/armem/core/wm/visitor/FunctionalVisitor.h

source/RobotAPI/libraries/armem/core/wm/visitor/Visitor.cpp

source/RobotAPI/libraries/armem/core/wm/visitor/Visitor.h

...ce/RobotAPI/libraries/armem/core/workingmemory/Entity.cpp

source/RobotAPI/libraries/armem/core/workingmemory/Entity.h

...API/libraries/armem/core/workingmemory/EntityInstance.cpp

...otAPI/libraries/armem/core/workingmemory/EntityInstance.h

...API/libraries/armem/core/workingmemory/EntitySnapshot.cpp