BUG : fix bug in align_against
BUG : fix bug in align_against

Was not filling column before checking if all values were non-null

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