Revert "CSS - theming for right sidebar on front page"

This reverts commit cc70d92636bcea75eb1cd991e5d50454dae70e9f.
Revert "CSS - cleanup of 2013 theme branched off of integration branch"

This reverts commit 01beb3d71f425b8969be590125c7dfc97a041a81.
Welcome text.

Just a test that we don't obliterate pantheon again.
resolve merge conflict