put entries into ndglno for ele_2 if ele_2>0, not ele_2<0 added a check to make sure that all nodes are added to ndglno.
put entries into ndglno for ele_2 if ele_2>0, not ele_2<0
added a check to make sure that all nodes are added to ndglno.

iakovos-panourgias/fluidity,rjferrier/fluidity,iakovos-panourgias/fluidity,rjferrier/fluidity,jjo31/ATHAM-Fluidity,jjo31/ATHAM-Fluidity,jrper/fluidity,jrper/fluidity,jjo31/ATHAM-Fluidity,jrper/fluidity,jrper/fluidity,jjo31/ATHAM-Fluidity,rjferrier/fluidity,jrper/fluidity,rjferrier/fluidity,rjferrier/fluidity,iakovos-panourgias/fluidity,iakovos-panourgias/fluidity,jjo31/ATHAM-Fluidity,iakovos-panourgias/fluidity