allow unlimited memory for server creation; closes pterodactyl#60

Author: DaneEveritt

app/Repositories/ServerRepository.php

@@ -90,11 +90,11 @@ public function create(array $data)
             'owner' => 'required|email|exists:users,email',
             'node' => 'required|numeric|min:1|exists:nodes,id',
             'name' => 'required|regex:/^([\w -]{4,35})$/',
-            'memory' => 'required|numeric|min:1',
-            'swap' => 'required|numeric|min:0',
-            'disk' => 'required|numeric|min:1',
-            'cpu' => 'required|numeric|min:0',
+            'memory' => 'required|numeric|min:0',
+            'swap' => 'required|numeric|min:-1',
             'io' => 'required|numeric|min:10|max:1000',
+            'cpu' => 'required|numeric|min:0',
+            'disk' => 'required|numeric|min:0',
             'ip' => 'required|ip',
             'port' => 'required|numeric|min:1|max:65535',
             'service' => 'required|numeric|min:1|exists:services,id',