improves system

only show what we need.

src/gatherers/system.rs

@@ -12,14 +12,15 @@ impl SystemData {}
 impl Fact for SystemData {
     fn gather(&self) -> String {
         if System::IS_SUPPORTED {
-            let mut sys = System::new_all();
+            let mut sys = System::new();
             // we only need certain values.
             sys.refresh_cpu();
             sys.refresh_disks();
+            sys.refresh_disks_list();
             sys.refresh_memory();
             sys.refresh_system();
             sys.refresh_components();
-            sys.refresh_disks_list();
+            sys.refresh_components_list();
             sys.refresh_users_list();
             serde_json::to_string(&sys).unwrap()
         } else {