FIX: find_stim_steps api
FIX: set buffer_size=None if test not indep
fix: use all vars in test
Merge pull request #719 from mluessi/fix_buffer_size

FIX: set buffer_size=None if test not indep
Merge pull request #718 from mluessi/fix_api_find_stim_steps

FIX: find_stim_steps api
ENH: better CTF ch_name support
FIX: remove old code
Merge pull request #723 from dengemann/ctf_fix_layout

ENH: better CTF ch_name support
ENH: Reducing test memory consumption
ENH: Reduce memory consumption
ENH: More leaning
ENH: Making tests cleaner and more efficient
ENH: improve sklaern version handling for ICA
Merge pull request #724 from dengemann/restrict_ica_version

ENH: improve sklaern version handling for ICA
Update ica.py

@agramfort fixes unused imports.
misc
requires sklearn in test viz of ica
FIX: ctf / bti support if comps in info

cc @agramfort
ENH: Add functionality to work with new Freesurfer
STY: Fix docstring