Refactoring to support WindowsPhone merge.
moved the solution files
Refactored VisualStyles into Sprites.
Introduced a possible solution to asset loading compatibility.
Minor changes for integration into private repository.
Updated demo for WP8 with the WindowsGL demo

- Added touch support for the button
- Fixed loading of font
Merge branch 'master' of https://github.com/brainchest/CraftworkGames

Conflicts:
	Source/CraftworkGames.Core/Utility/Platform.cs
	Source/CraftworkGames.Gui/Controls/Button.cs
	Source/CraftworkGames.Gui/GuiDrawManager.cs