(D3D) Create graphics context driver for D3D and move
state code over to it
(D3D9) Move more code to d3d9_pc context driver
(D3D) check_window - check if d3d_quit has been set to true, and if so,
set quit pointer value to true
(D3D) set_resize function bound to D3D context driver
(XDK 360) Clean up xdk360_fonts
(D3D) Split up D3D font code from D3D PC driver into separate font context file
(D3D9 PC) Go through font context driver now
(D3D9) Remove obsolete function d3d_font_msg now