Color: fixed some issues and implemented some missing methods
TestCenter: refactoring (moved all ConvertEquals-Methods to the new AssertHelper)
DataFactory: extended by normalized random floats
TestCenter: all Color tests are green now
extended the IRenderSystemCreator interface to obtain available GraphicsAdapters of a render system
enumeration of GraphicsAdapters implemented for DirectX 10 RenderSystem
enumeration of DisplayModes implemented for DirectX 10 RenderSystem
improved GraphicsDeviceManager
SpriteBatch/SpriteFonts: rendering of SpriteFonts is finished now
Added test cases for Vector2 static Transform
Added test cases for Matrix: CreateRotationX, CreateRotationY, CreateRotationZ, Multiply and CreateTranslation
Matrix: Fixed a bug in CreateRotationY (wrong result)