clean up application layout
add new routes, monogram, and clicking on nav elements

Multiple changes on one commit (sorry)
* added monogram file to public folder and added it to the page
* updated routes to reflect the navigation abilities of the site
* updated master controller with new routes
* added js file to allow navigation through the li elements of the nav ul
* changed css to allow "height: 100%;"
* put monogram and nav elements inside container element
remove monogram container and wrap everything in nav

* removed the monogram css from index.css.scss and added it to nav.css.scss
* remove class name from ul
move all nav logic into the nav partial
add views for all master controller actions
add page loading functionality