armem helper functions and removed legacy names

...omponents/armem/ArMemExampleClient/ArMemExampleClient.cpp

...obotAPI/libraries/armem/core/io/DiskReader/DiskReader.cpp

...kReader/NlohmannJSONDiskReader/NlohmannJSONDiskReader.cpp

...obotAPI/libraries/armem/core/io/DiskWriter/DiskWriter.cpp

...kWriter/NlohmannJSONDiskWriter/NlohmannJSONDiskWriter.cpp

source/RobotAPI/libraries/armem/mns/ClientPlugin.cpp

source/RobotAPI/libraries/armem/mns/ClientPlugin.h