fixed argstr of some Tuple input specs
fixed argstr of some Tuple input specs

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@1587 ead46cd0-7350-4e37-8683-fc4c6f79bf00

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