updated: C2DPrimitivesTest
cleaned up: the source code

Deleted some Direct3D API calls that had already been commented out.
updated: UTFFont.cpp
updated: clipboard utility headers.
changed: UTFFont::InitFont()

Forces the texture to a square in the OpenGL mode because the OpenGL mode does not support non-square textures.
updated: CMultibyteFontTest

Changes the displayed string when a text is pasted from the clipboard.
updated: CGenericShaderTest::HandleInput()
added: CGraphicsTestBase::CreateParamFileIfNotFound()

Creates a default parameter file.
updated: Init() functions of demo classes

Creates default parameter files if they are not present.
changed: C2DRect::Draw()

Calls C2DPrimitiveRenderer.Render() to render a textured rectangle with a default 2D shader.
updated: C2DRectSetImpl_GL::Draw()
updated: SaveGL2DTextureToImageFile()