Make / and /welcome show the same page by redirecting to /welcome in the / route.
Use underscore to iterate through the routes.
Flip around the routes objects so that the route names are the keys.
Add a margin around the main content section.
Add an initial library page.

The list/grid switch can be done by setting the 'library-mode' session
variable.
added note, removing extraneous css
adding stub menu for library display
Fix references to ObjectID.