Add bin_on; implement bin anchoring.
Add bin_on; implement bin anchoring.

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