ENH : factor out the montage code to use it for other mayavi figures
FIX : paths in plot_label_foci
Merge pull request #31 from agramfort/montage_func

ENH : factor out the montage code to use it for other mayavi figures
ENH: subjects_dir parameter
comment out TimeViewer
Merge pull request #32 from mluessi/subjects_dir

ENH: subjects_dir parameter
ENH: Brain.add_data()

Make time_label optional
Brain.add_data(): add text for time_label=""
Merge pull request #33 from christianmbrodbeck/cmb_hide

ENH: Allow time_label=None in Brain.add_data()