Updated sample shell library with provisions for allowing the shell windows to resize, handle resize events, or lock to one size
Fixed incorrect value for allow_resize call in X11 shell extension
Updated DirectX 9 sample to work with new shell library layout
Minor fix to copyright notice
Updated to work with new shell lib layout, does not properly handle window resizes yet
Added missing call to shell_renderer->SetContext, required for Context dimensions to be updated when the shell window is resized
Misc whitespace cleanup
Temporary hack to allow non-compiled geometry to display in the DirectX 9 sample, this is inefficient but better than nothing
Fixes DirectX 10 sample to handle window resizes
Adding missing extension class code files for DirectX samples
Added note for luainvaders sample
Merge pull request #198 from libRocket/feature/resizable-samples-shell-windows

Make samples shell allow for and handle window resizing
Hack for functional non-compiled geometry in DirectX samples, this means the debugger will at least display now.