FIX design.add_missing(): default for name parameter
ENH:  dataset indexing with columns
ENH combine(): for datasets, fill in missing variables
DOC
ENH Makefile:  Add "test" option
RM:  color storage in factors
DOC
FIX is_fake_mri()
TEST:  dataset pickling io
ENH dataset indexing: allow [numerical, list of strings] format
ENH dataset.compress():  Handle mne Epochs (make Evoked objects)
ENH WxTerm: proper menu behavior for  pyplot.draw;  commenting;  focus-shell;  duplicate-text