ENH : allow ica.plot_components()
useless raw preload
misc
API : set n_components=None by default
FIX : return figs in plot ica
ENH : update ICA in spm example
API : use list of indices in ICA find bads
FIX SPM exmample, return bad inds in order of score, address discussion, allo for refitting
allow apply ica from epochs on raw, support finding + scoring sources on Evoked
cosmits