realized there were errors on build without changing the file:/// param for GPG
keys in repo files. this was hidden previously by building on SL hosts.
the new method should be portable to any yum based system

changed the SL repos to use mirrorlists rather than hitting SL directly

added tolerant=1 parameter to yum.conf to make. yum. shut. up. when
attempting to install previously installed rpms

removed the do_close call in mkgrub.sh since all it did was echo the
grub conf to the screen

spacing fixes