Fixed details in antsRegistration interface
Fixed details in antsRegistration interface

The generation of output filenames was incomplete for inverse outputs
in both collapsed and not-collapsed modes.

Additionally, collapsed mode for only-linear registrations was broken
as the warp file was not generated (but checked for existence)

gerddie/nipype,blakedewey/nipype,gerddie/nipype,wanderine/nipype,dgellis90/nipype,rameshvs/nipype,dmordom/nipype,grlee77/nipype,iglpdc/nipype,dgellis90/nipype,rameshvs/nipype,Leoniela/nipype,dmordom/nipype,dmordom/nipype,iglpdc/nipype,blakedewey/nipype,mick-d/nipype,glatard/nipype,iglpdc/nipype,rameshvs/nipype,Leoniela/nipype,carolFrohlich/nipype,fprados/nipype,sgiavasis/nipype,sgiavasis/nipype,FCP-INDI/nipype,mick-d/nipype,wanderine/nipype,wanderine/nipype,pearsonlab/nipype,carolFrohlich/nipype,grlee77/nipype,Leoniela/nipype,pearsonlab/nipype,blakedewey/nipype,gerddie/nipype,grlee77/nipype,FCP-INDI/nipype,gerddie/nipype,wanderine/nipype,arokem/nipype,iglpdc/nipype,grlee77/nipype,blakedewey/nipype,rameshvs/nipype,FCP-INDI/nipype,carolFrohlich/nipype,arokem/nipype,JohnGriffiths/nipype,pearsonlab/nipype,glatard/nipype,fprados/nipype,dgellis90/nipype,JohnGriffiths/nipype,mick-d/nipype,arokem/nipype,sgiavasis/nipype,glatard/nipype,arokem/nipype,mick-d/nipype,fprados/nipype,glatard/nipype,carolFrohlich/nipype,sgiavasis/nipype,pearsonlab/nipype,dgellis90/nipype,FCP-INDI/nipype,JohnGriffiths/nipype,JohnGriffiths/nipype