Merge remote-tracking branch 'upstream/pr/580' into enh/openfmri

* upstream/pr/580:
  Add deprecation for old output variable modulated_input_image in Segment (to be replaced with bias_corrected_image) and removed exists=True for outputs that are predicated on input settings
  In Segment, include bias-corrected output only if corresponding save_bias_corrected boolean is True. This prevents to throw an error when save_bias_corrected is set to False but Segment still looks for a created bias-corrected output.
  Segment in SPM interface throws error.
Merge remote-tracking branch 'upstream/master' into enh/openfmri

* upstream/master:
enh: added transformation of individual copes and varcopes to standard space via anatomical image
enh: updated openfmri workflow example to work with current directory and fileformat structure and to register copes and varcopes to mni space
Merge pull request #585 from satra/enh/openfmri

Enh/openfmri