fixing freesurfer relative path outputs not valid
Merge branch 'master' into fix_freesurfer_abspath

* master:
  fix: added svg neurodebian logo
  fix: notebook links to latest version
  enh: updated tutorial
  fix: broken test to reflect interface changes.
  Slight correction to previous PR
  Fix SPM interfaces
  fix: mark's last name
  fix: updated tutorial to include download of data
  enh: added tutorial notebook
  each time I use an afni interface I have not been using for a long time I spend 4 hours fixing some bugs that goes down to base interface specs......
  fix tcorrmap for use of source_name, depends on recent fix cline_bug branch
  fix the TCorrMap histogram options
  3drefit does not accept -prefix option, since it operates on its own file now it will work if you give the same out_file name as in_file name however if you give no out filename it might not work if your infile is a .nii or .nii.gz since afni will make briks
test for datafinder
added sorting
added test for sorting, fixed tuples
PEP8 and fixed out_paths sort
order matters when you do sorting
TST+BF: Improve DataFinder tests, fix issue with unpack_single and sorting
Merge pull request #6 from moloney/enh-df-tests-rebase

TST+BF: Improve DataFinder tests, fix issue with unpack_single and sorti...
Gradnonlin option added to xfibers
fix: write sorted tests
fix: added newlines
fix: sorted output for all auto tests
Merge pull request #771 from satra/fix/makespec

auto-spec generation now sorts keys to track changes better
Merge pull request #765 from chrisfilo/enh/datafinder_test

Test and sorting for DataFinder
Merge remote-tracking branch 'upstream/master'
1,2,3,4 DONE. Test_auto_XFibres.py generated.
Merge pull request #770 from mick-d/master

Gradnonlin option added to xfibers
Respect bsub_args set by workflow (fixes #772).
fix: spm example