* Settings.cs: Changed default output directory to fit with the current OpenTK project structure.
* GL2/Generator.cs: Suppressed documentation warnings in the generated bindings.
WinRawInput now correctly subclasses WinGLNative or WinGLControl. WinRawKeyboard now correctly responds to events.
Removed T10_GLSL_Cube.cs which was erroneously moved outside the Examples/Tutorial directory.
Updated INativeWindow, IGameWindow and IGLControl interfaces.
Updated examples to use the new GameWindow interface.
Added documentation to GameWindow.
Improved GameWindow error handling. More defensive programming.
Updated the ExampleLauncher to not process exceptions. Updated the IExample interface to contain the Launch method. Updated examples and the ExampleLauncher according to the IExample interface.
Synced with gl3 branch.