updated coupler outline per Gregs review
updated coupler outline per Gregs review

Rombur/DataTransferKit,andrsd/DataTransferKit,ORNL-CEES/DataTransferKit,Rombur/DataTransferKit,dalg24/DataTransferKit,ORNL-CEES/DataTransferKit,amccaskey/DataTransferKit,dalg24/DataTransferKit,amccaskey/DataTransferKit,Rombur/DataTransferKit,amccaskey/DataTransferKit,dalg24/DataTransferKit,ORNL-CEES/DataTransferKit,Rombur/DataTransferKit,andrsd/DataTransferKit,ORNL-CEES/DataTransferKit,amccaskey/DataTransferKit,dalg24/DataTransferKit