Cleanup docstrings in some afni commands.
Cleanup docstrings in some afni commands.

git-svn-id: 24f545668198cdd163a527378499f2123e59bf9f@357 ead46cd0-7350-4e37-8683-fc4c6f79bf00

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