(issue #929) Admin users can now see offline users

https://github.com/designcreateplay/NodeBB/issues/929

src/routes/user.js

@@ -494,12 +494,14 @@ var fs = require('fs'),
 			var	websockets = require('../socket.io');
 
 			user.getUsers('users:online', 0, 49, function (err, data) {
-
 				var onlineUsers = [];
 
+                user.isAdministrator(req.user.uid, function (err, isAdministrator) {
+                    if (true != isAdministrator) {
                         data = data.filter(function(item) {
                             return item.status !== 'offline';
                         });
+                    }
 
                     function iterator(userData, next) {
                         var online = websockets.isUserOnline(userData.uid);
@@ -522,6 +524,7 @@ var fs = require('fs'),
                             anonymousUserCount: anonymousUserCount,
                             show_anon: anonymousUserCount?'':'hide'
                         });
+                    });
                 });
 			});
 		}