preserve order for Recon_ART.py
preserve order for Recon_ART.py

cryos/tomviz,mathturtle/tomviz,cjh1/tomviz,OpenChemistry/tomviz,thewtex/tomviz,cryos/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz,mathturtle/tomviz,thewtex/tomviz,cryos/tomviz,mathturtle/tomviz,thewtex/tomviz,cjh1/tomviz,cjh1/tomviz,OpenChemistry/tomviz