Added four additional unrimp examples (FirstMultipleRenderTargets, FirstGeometryShader, FirstTessellation and FirstInstancing)
added IcosahedronTessellation unrimp example
removed FirstGpgpu from list because this example doesn't render any visible parts
added Fxaa unrimp example
fixed Fxaa example
Qt changes the locale to the defined one by the user. This can cause problems with formatting floating points (e.g. ',' as decimal points instead of '.')