ENH: adding output concentration and fits multivolumes
Merge branch 'millerjv-master' into save-concentrations-and-fit
ENH: comments and reshuffling to debug the crash
ENH: added initialization of the fitted data multivolume

see #12
ENH: shift the fitted curve back to account for BAT
ENH: initialize metadata dictionary for the saved multivolumes
ENH: compress multivolumes being saved
Merge pull request #13 from fedorov/save-concentrations-and-fit

Save concentrations and fit