Read backend from world.mt, closes #6

util.h

@@ -0,0 +1,10 @@
+#ifndef _UTIL_H
+#define _UTIL_H
+
+#include <string>
+#include <stdexcept>
+#include <fstream>
+
+std::string get_setting(std::string name, std::istream &is);
+
+#endif // _UTIL_H