Enable lowb greater than zero in b0_average
fix error
Added "Forward" to the list of software using Nipype.
Merge pull request #982 from chrisfilo/fix/forward_docs

Added "Forward" to the list of software using Nipype.
fixed ants ApplyTransformInputSpec

changed argstr for default_value to allow floats by using %g instead of
%g
Updated ApplyTransform Specs
Merge pull request #985 from blakedewey/master

fixed ants ApplyTransformInputSpec
Merge pull request #981 from oesteban/enh/ImproveLowbAverage

Improve lowb averaging