stage. (Materials now treated more like colors, etc.).
Continue whipping the dd templates into shape.
Remove old NormalLength code; may come back as a driver helper, but not
useful for, eg. hardware t&l drivers.
Added GLvector4us datatype in math/m_vector.[ch]
Added _math_trans_4us() in math/m_translate.[ch]
Choose GLvector4ub, GLvector4us, GLvector4f at compile time based on CHAN_BITS.
Made Driver.ClearColor() and Driver.ClearIndex() optional driver functions.
Changed args to Driver.ClearColor(), updated drivers.
Reordered files in Makefile.X11
New array_cache module
Support 8 texture units in core mesa (now support 8 everywhere)
Rework core mesa statechange operations to avoid flushing on many
noop statechanges.