MNT: more mds api issues
MNT: more mds api issues

- also change so that live data can be viewed

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