Merge remote-tracking branch 'origin/fullscreenfix' into tncEffectFromStream

Conflicts:
	MonoGame.Framework/Desktop/OpenTKGamePlatform.cs
	MonoGame.Framework/Graphics/DisplayMode.cs
	MonoGame.Framework/Graphics/GraphicsAdapter.cs
Revert "Merge remote-tracking branch 'origin/fullscreenfix' into tncEffectFromStream"

This reverts commit 29c7fb1b09b912ee3520aa3641f07c6eb911d069.