small text weaks
few tweaks
Merge pull request #15 from newavenue/small

unhiding links
Adds Sitemap.get_page_after and Sitemap.get_page_before
Adds 'next page/previous page' bottom nav to help page layout
Help pages titles are now automatically supplied by the layout
Merge pull request #16 from newavenue/page-nav

Page nav
Merge pull request #17 from newavenue/staging

Staging