Updated documentation for setting default GL state.  Basically, don't do it in SPUInit(); override MakeCurrent() and do it there. Renamed section 7 to "Overriding default OpenGL state" since that's what we talk about.
Updated documentation for setting default GL state.  Basically, don't
do it in SPUInit(); override MakeCurrent() and do it there.
Renamed section 7 to "Overriding default OpenGL state" since that's what
we talk about.

rpavlik/chromium,rpavlik/chromium,rpavlik/chromium,rpavlik/chromium,rpavlik/chromium