tbb: upgrade to 4.2-u5

Signed-off-by: Austin Seipp <aseipp@pobox.com>
Add HHVM packages, replacing old hiphop-php expr

Signed-off-by: Austin Seipp <aseipp@pobox.com>
Remove old hiphop-vm package

Signed-off-by: Austin Seipp <aseipp@pobox.com>
Remove old intel-tbb package

It's unused now, and there's already the `tbb` package so this is
totally redundant.

Signed-off-by: Austin Seipp <aseipp@pobox.com>