Added server status retrieval and implemented it on UI.

The player count on the landing page is now functional. If the server cannot be reached, the label and value will change to SERVER and OFFLINE, respectively. This behavior can be modified.

app/assets/js/assetguard.js

@@ -421,11 +421,11 @@ class AssetGuard extends EventEmitter {
         const servers = distro.servers
         for(let i=0; i<servers.length; i++){
             if(servers[i].default_selected){
-                return servers[i].id
+                return servers[i]
             }
         }
         // If no server declares default_selected, default to the first one declared.
-        return (servers.length > 0) ? servers[0].id : null
+        return (servers.length > 0) ? servers[0] : null
     }
 
     /**