WIP: ica notebook

Looks good so far. For some reason there was a complaint about my data
set although I downloaded it today. Also one figure opened twice for
some reason. Despite this, all figures are there and the ica is
decomposed
COSMITS
FIX: passing parameters in run_ica
ENH: removing notebook
COSMITS: string formatting instead of repr
Merge pull request #409 from dengemann/ica_notebook

FIX: pick parameter not passed in run_ica