Add remaining steps to registration screen

osu.Game/Overlays/AccountCreation/AccountCreationScreen.cs

@@ -0,0 +1,28 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Graphics;
+using osu.Framework.Screens;
+
+namespace osu.Game.Overlays.AccountCreation
+{
+    public abstract class AccountCreationScreen : Screen
+    {
+        protected AccountCreationScreen()
+        {
+            ValidForResume = false;
+        }
+
+        protected override void OnEntering(Screen last)
+        {
+            base.OnEntering(last);
+            Content.FadeOut().Delay(200).FadeIn(200);
+        }
+
+        protected override void OnSuspending(Screen next)
+        {
+            base.OnSuspending(next);
+            Content.FadeOut(200);
+        }
+    }
+}