Add user messages
Changes based on current site_base.html
Remove unused symposion_sidebar_base.html
Navigation bar adjustments
Copy comps/base.html to new_site_base.html
Homepage extends from new_site_base.html
Fix navigation styles on homepage
Copy comps homepage to real homepage
Use staticfiles rather than STATIC_URL
Remove comps/homepage.html and comps/base.html

Now that the site-wide versions are in working order.