[Paint] Changed condition for y position change. Fix bug [14631]

PaintCode/PaintCodeDemo/BlueButton/BlueButtonViewController.cs

@@ -19,7 +19,7 @@ namespace PaintCode
 
 			View.BackgroundColor = UIColor.White;
 
-			float statusBarHeight = UIDevice.CurrentDevice.SystemVersion == "7.0" ?
+			float statusBarHeight = float.Parse(UIDevice.CurrentDevice.SystemVersion) >= 7 ?
 				UIApplication.SharedApplication.StatusBarFrame.Height : 0f;
 			button = new BlueButton (new RectangleF (10, 10 + statusBarHeight, 120, 120 - statusBarHeight));
 			

PaintCode/PaintCodeDemo/GlossyButton/GlossyButtonViewController.cs

@@ -19,7 +19,7 @@ namespace PaintCode
 
 			View.BackgroundColor = UIColor.White;
 
-			float statusBarHeight = UIDevice.CurrentDevice.SystemVersion == "7.0" ?
+			float statusBarHeight = float.Parse(UIDevice.CurrentDevice.SystemVersion) >= 7 ?
 				UIApplication.SharedApplication.StatusBarFrame.Height : 0f;
 			button = new GlossyButton (new RectangleF (30, 30 + statusBarHeight, 130, 38));
 			button.SetTitle ("Stop!", UIControlState.Normal);

PaintCode/PaintCodeDemo/LineArt/DrawingViewController.cs

@@ -21,7 +21,7 @@ namespace PaintCode
 			View.BackgroundColor = UIColor.White;
 
 			drawing = new DrawingView ();
-			float statusBarHeight = UIDevice.CurrentDevice.SystemVersion == "7.0" ?
+			float statusBarHeight = float.Parse(UIDevice.CurrentDevice.SystemVersion) >= 7 ?
 				UIApplication.SharedApplication.StatusBarFrame.Height : 0f;
 			drawing.Frame = new System.Drawing.RectangleF (0, statusBarHeight, 320, 640 - statusBarHeight);