added simple thresholding node
added simple thresholding node

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@1705 ead46cd0-7350-4e37-8683-fc4c6f79bf00

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