Renamed Keyboard/Mouse to Keyboard-/MouseDevice. Avoids name clashes.

Source/OpenTK/Input/IKeyboardDriver.cs

@@ -12,6 +12,6 @@ namespace OpenTK.Input
 {
     public interface IKeyboardDriver
     {
-        IList<Keyboard> Keyboard { get; }
+        IList<KeyboardDevice> Keyboard { get; }
     }
 }

Source/OpenTK/Input/IMouseDriver.cs

@@ -15,6 +15,6 @@ namespace OpenTK.Input
         /// <summary>
         /// Gets the list of available mouse devices.
         /// </summary>
-        IList<Mouse> Mouse { get; }
+        IList<MouseDevice> Mouse { get; }
     }
 }