kijiproject.github.com: EXP-117 Checking in draft pages of Express UG without connection to User Guides pages

EXP-117 tested for broken links, added buttons and prev/next; included images
commit: https://github.com/kijiproject/kijiproject.github.com/commit/2e3c52909a1c8ada2a984d071f497e22945a8bab