https://gitorious.org/scientificlinux-logos/sl-logos-5/trees/master

Okay, while I haven't gzipped the GRUB splash, and the syslinux splash
is indeed 14 colors (maybe dark red text could look good with it), and
I'm unsure of what the exact version bump should be (4.9.16.1?), but
here it is. New stuff for 5.