Add heredoc for kernel build
Install gentoo sources for genkernel
Read gentoo news at end of build
install /etc/mtab and perform grub-install
Clean up installation of ruby deps
chroot to correct dir
Remove gentoo portage-latest tarball
Clean up installation of puppet

Since we're not installing via rvm we don't need to specify
dependencies. In addition we need to use ~x86 keywords for puppet 3.0.1
since it has support for ruby 1.9.