Re-generate from gl_API.xml 1.65. This provides the missing bits for
GL_EXT_texture_filter_anisotropic and GL_EXT_blend_equation_separate.
Enable those extensions.
Port all changes from the (monolithic) accelerated_indirect-0-0-1 branch to
the modular trunk. This will break the Darwin and cygwin builds. Other
than the changes to symlink-mesa.sh and the various Makefile.am files,
to code is identical to what's in the branch.
Reviewed by: airlied, krh
