Merge pull request #26 from peppy/general-fixes

Bring framework up-to-date.

osu.Game/Graphics/UserInterface/TextBox.cs

@@ -17,7 +17,7 @@ using osu.Framework.Threading;
 
 namespace osu.Game.Graphics.UserInterface
 {
-    internal class TextBox : MaskingContainer
+    internal class TextBox : ProcessingContainer
     {
         private FlowContainer textFlow;
         private Box background;
@@ -50,6 +50,8 @@ namespace osu.Game.Graphics.UserInterface
         {
             base.Load();
 
+            AddProcessing(new MaskingContainer());
+
             Add(background = new Box()
             {
                 Colour = BackgroundUnfocused,