Enable lowb greater than zero in b0_average
fix error
SPM12 is not beta anymore
Merge pull request #985 from blakedewey/master

fixed ants ApplyTransformInputSpec
Updated SPM manual links to current SPM12 manual
added SPM12's new Normalize routine
added SPM12's new Normalize routine
corrections, pep8 check and test_auto_Normalize12.py
Merge branch 'master' of https://github.com/miykael/nipype

Conflicts:
	nipype/interfaces/spm/__init__.py
	nipype/interfaces/spm/preprocess.py
code duplicate deleted
Merge pull request #981 from oesteban/enh/ImproveLowbAverage

Improve lowb averaging
fix: ensure ipython engine is not left in an undefined directory - closes #983
Merge pull request #987 from satra/fix/ipython

fix: ensure ipython engine is not left in an undefined directory - close...
Merge remote-tracking branch 'upstream/master' into enh/spmnormalize

* upstream/master:
  fix: ensure ipython engine is not left in an undefined directory - closes #983
  Updated ApplyTransform Specs
  fixed ants ApplyTransformInputSpec
  fix error
  Enable lowb greater than zero in b0_average
fix: test fixes for spm and rename interface
updated CHANGES
Merge pull request #1 from satra/enh/spmnormalize

Enh/spmnormalize
Merge pull request #986 from miykael/master

added SPM12's new Normalize routine and updated version info and manual links
Updated N4BiasFieldCorrection

Added weight_image to input spec. Added bspline_order to input spec and
updated arg formatting for bspline_fitting_distance to allow for
bspline_order to be set. Updated n_iterations and convergence_threshold
arg formatting to conform with other arg formatting for this class.
Clean up ants.segmentation

Gave ants.segmentation some PEP8 love. Also updated _run_interface call
to include correct_return_codes which is declared in the overridden
function