documentation: update quality assurance process

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
documentation: update compiler version for Cray

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
documentation: add compiler version for Blue Gene/Q

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>