include whisper version in the dashboard

Author: iurimatias

lib/core/engine.js

@@ -235,11 +235,13 @@ class Engine {
     });
 
     self.servicesMonitor.addCheck('Whisper', function (cb) {
-      self.web3.version.getWhisper(function (err, res) {
+      self.web3.version.getWhisper(function (err, version) {
         if (err) {
           return cb({name: 'Whisper', status: 'off'});
+        } else if (version >= 5) {
+          return cb({name: 'Whisper (version ' + version + ') - unsupported', status: 'warn'});
         } else {
-          return cb({name: 'Whisper', status: 'on'});
+          return cb({name: 'Whisper (version ' + version + ')', status: 'on'});
         }
       });
     });

lib/dashboard/monitor.js

@@ -49,6 +49,8 @@ class Dashboard {
         services.push(checkObj.name.green);
       } else if (checkObj.status === 'off') {
         services.push(checkObj.name.red);
+      } else if (checkObj.status === 'warn') {
+        services.push(checkObj.name.grey);
       } else {
         services.push(checkObj.name);
       }