fixed version checking
fix: switch to allatonce mode to prevent forking (closes #705)
fix: cleaned up file removal to pay attention to related files such as img/hdr/mat, BRIK/HEAD
Merge pull request #711 from satra/fix/remove_files

fix: cleaned up file removal to pay attention to related files
Updated google tracking.
Added link tracking.
fix: changed iri to current standard
Merge pull request #715 from satra/fix/iri

fix: changed iri to current standard
fix: cleaned prov
Merge pull request #716 from satra/cleanup/prov

fix: cleaned prov
fix: allow 4 parameters for antsRegistration transform
doc: added reference to BSplineSyn
Merge pull request #717 from satra/fix/antsbspline

Fix/antsbspline
fix refit
Merge pull request #718 from chrisfilo/fix/refit

fix refit
fixed outputs assignment
Merge pull request #720 from chrisfilo/fix/refit

fixed outputs assignment