functions_common.sh: added remove_duplicate
functions_common.sh: added remove_duplicate

junghans/csg,junghans/csg,votca/csg,votca/csg,votca/csg,MrTheodor/csg,junghans/csg,MrTheodor/csg,junghans/csg,MrTheodor/csg,MrTheodor/csg,MrTheodor/csg,votca/csg,junghans/csg,junghans/csg