Make reboot required check server side

src/notifications.js

@@ -20,7 +20,8 @@ exports = module.exports = {
     apptaskCrash: apptaskCrash,
     backupConfigWarning: backupConfigWarning,
     diskSpaceWarning: diskSpaceWarning,
-    mailStatusWarning: mailStatusWarning
+    mailStatusWarning: mailStatusWarning,
+    rebootRequired: rebootRequired
 };
 
 var assert = require('assert'),
@@ -308,6 +309,16 @@ function mailStatusWarning(message) {
     });
 }
 
+function rebootRequired(message) {
+    assert.strictEqual(typeof message, 'string');
+
+    actionForAllAdmins([], function (admin, callback) {
+        upsert(admin.id, null, 'Reboot Required', message, '/#/system', callback);
+    }, function (error) {
+        if (error) console.error(error);
+    });
+}
+
 function diskSpaceWarning(message) {
     assert.strictEqual(typeof message, 'string');