This implies creating a trimmed down branch that contains almost
nothing. It will then be usable by projects that do not need the
complex build system, and by the engine itself as a submodule from
the same repository.

static method that we can do without.

replace the well known DeBruijn sequence with a custom magic value to spare
one binary operation.

"shader" source directory since we have "gpu".

we do not care about.

We know we will not have denormal floats on the PS3, but we should still
create denormal halves in case the other end (maybe the GPU?) knows how
to handle them.

used on the PS3 platform.

number conversions.

for future array versions.

functions such as isnan(), isinf() etc.