REF/API: Update to new MDS API.
REF/API: Update to new MDS API.

danielballan/dataportal,danielballan/datamuxer,tacaswell/dataportal,NSLS-II/dataportal,danielballan/datamuxer,ericdill/databroker,danielballan/dataportal,ericdill/databroker,NSLS-II/dataportal,ericdill/datamuxer,NSLS-II/datamuxer,tacaswell/dataportal,ericdill/datamuxer