Added test for file hashing.
Added test for file hashing.

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@656 ead46cd0-7350-4e37-8683-fc4c6f79bf00

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