fix some pep8 errors
fix some pep8 errors
A new way to select b0 reference. Close #941
Added flatten and unflatten functions
Add supported for nested lists in iterfields.
Fixes and improvementsto standard FSL pipelines
Disable provenance, typos and fixes
Cleanup final touches.
fixed tests
changelog
Merge pull request #952 from chrisfilo/fix/fsl_feeds_example

Fix/fsl feeds example
Merge pull request #949 from oesteban/fix/HMCWorkflow

Fix/hmc workflow