added alternate pipeline connect specification to address some usability constraints
added alternate pipeline connect specification to address some usability constraints

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@782 ead46cd0-7350-4e37-8683-fc4c6f79bf00

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