[Toolkit.Game] Added possibility to rebind a running game to a different game context for the Desktop-WinForms platform.
[Toolkit.Game] Added support for GameContext switching for Desktop/WPF platform.
[Toolkit.Game] Added support for switching GameContext on WinRT/XAML platform.
[Toolkit.Samples] Added a sample showing switching of context for WinRT/XAML platform.
[Toolkit.Game] Added support for switching game context for WP8/BackgroundGrid platform.
[Toolkit.Game] Fixed resize behavior when switching game context for Desktop/WinForms platform.
[Toolkit.Game] Fixed unbinding of event handlers from previous control when switching game context in Desktop/WinForms platform.
[Toolkit.Game] Add context switching support for WP8/DrawingSurface platform.
[Core] Change and simplify RenderLoop implementation to allow custom loop.
[Core] Make RenderLoop.Control setter and RenderLoop.NextFrame a bit more thread safe (not completely)
[Core] Fixed new render loop to process correctly form closing and switching between render controls.
[Toolkit.Game] Changed SwitchContext functionality to recreate only the GraphicsPresenter instead of the whole GraphicsDevice.
[Toolkit.Game] Applied an indirect fix that allows workaround of the issue #179 and changed appropiate samples to use .NET4 instead of 4.5.1.
[Toolkit.Game] Added missing event handler unbinding for Desktop/WPF platform.
Merge branch 'master_integration' into rebindable-game
[Toolkit.Game] Fixed compilation - removed unused member.