Integrate changes from UltraPenguin 1.1.9: autoconf update config.guess, so that it knows about sparc64-unknown-linux-gnu
autoconf-2.13 uses uname(2) for cpu.
Commit pushed to master at https://github.com/openshift/openshift-docs https://github.com/openshift/openshift-docs/commit/3830214123a8ef67ece41e8553328fa1d6acaee5 Merge pull request #1233 from tpoitras/corepoddef-GHissue438 Updated overview & added some markup fixes