updated StockShaderCodeGenerator (sscg) to support DX11 shaders
updated the DX11 RenderSystem to be on par with the DX10 RenderSystem (it is currently not working completly because of some issues with shaders)
added a shader folder for the stock shaders
started the StockShaderCodeGenerator tool
added a tools solution file
added a bin folder in tools folder for precompiled tools and changed tools project files
removed StockEffects content project from solution and added the effect files to the shader folder for reference