Join skeletons: fix bug caused by wrong order of variables
Join skeletons: fix bug caused by wrong order of variables

fzadow/CATMAID,fzadow/CATMAID,htem/CATMAID,htem/CATMAID,fzadow/CATMAID,fzadow/CATMAID,htem/CATMAID,htem/CATMAID