tweak generator info and use local time stamp for better readability

src/libslic3r/Model.cpp

@@ -784,7 +784,7 @@ std::string Model::get_backup_path()
         std::time_t t = std::time(0);
         std::tm* now_time = std::localtime(&t);
         std::stringstream buf;
-        buf << "/bamboo_model/";
+        buf << "/orcaslicer_model/";
         buf << std::put_time(now_time, "%a_%b_%d/%H_%M_%S#");
         buf << pid << "#";
         buf << this->id().id;