[BUGFIX] 0 value in loadavg

lib/utils/node.js

@@ -61,16 +61,10 @@ define(['snabbdom', 'helper', 'moment'], function (V, helper, moment) {
   };
 
   self.showLoad = function showLoad(d) {
-    if (!d.loadavg) {
-      return undefined;
-    }
     return showBar(d.loadavg.toFixed(2), d.loadavg % 1, d.loadavg >= d.nproc);
   };
 
   self.showRAM = function showRAM(d) {
-    if (!d.memory_usage) {
-      return undefined;
-    }
     return showBar(Math.round(d.memory_usage * 100) + ' %', d.memory_usage, d.memory_usage >= 0.8);
   };