Removed using namespace std from residue.h and using namespace votca::tools add std:: to strings
Removed using namespace std from residue.h and using namespace votca::tools add std:: to strings

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