fix: preprocessing options for detrending and scaling
display shows fsaverage4
fix/brk: gunzip node before spm first level, needs a bit of work
fix: group level
fix: added seed connectivity on volume
fixes: norm nearest neighbor, preproc no fs, group analyses with masks plus more
fix: corrected output in one folder
fix: scaling for FSL is True by default
Merge pull request #63 from akeshavan/master

Fixes: many!