Update page settings to include google search and analytics settings
Check for page settings, and set defaults if not present
Update typography, include search in 404 page
Add 500 page text
Indent submenus in sidenav
Update slider nav
Merge branch 'gh-pages' of https://github.com/byuweb/byu-responsive-dev into gh-pages

Conflicts:
	css/responsive.css
Merge branch 'gh-pages'