Merge branch 'master' into bug/afni

* master:
  added maths.MaxImage examples
  test maths.MaxImage for fslmaths -Tmax option
  add maths.MaxImage for fslmaths -Tmax option
  fix: change type of loops,speedup and between loops so its compatible with changes in the nipy code
fixing Automask
abspath for Automask
fix: when using mcr set nodesktop and nosplash to undefined
BF: Don't fail when CopyMeta gets a Nifti without meta data
Just create an empty extension.
fixed output collection for antsRegistration
added mask input for bias field correction
BF: Fix SplitNifti to generate unique filenames for outputs.
Merge pull request #521 from chrisfilo/fix/ants_outputs

Fix/ants outputs
Merge pull request #524 from moloney/bf-split-nifti

BF: Fix SplitNifti to generate unique filenames for outputs.
Merge pull request #518 from moloney/bf-copy-meta-nullop

BF: Don't fail when CopyMeta gets a Nifti without meta data
Merge pull request #516 from satra/fix/mcr

WIP: when using mcr set nodesktop and nosplash to undefined
Merge pull request #504 from bpinsard/bug/afni

fixing wrong output directory in afni base gen_filename
Merge branch 'master' into afni_interfaces

* master:
  BF: Fix SplitNifti to generate unique filenames for outputs.
  added mask input for bias field correction
  fixed output collection for antsRegistration
  BF: Don't fail when CopyMeta gets a Nifti without meta data Just create an empty extension.
  fix: when using mcr set nodesktop and nosplash to undefined
  abspath for Automask
  fixing Automask