Squash nav bar into one div.
Ignore sass crap generated by emacs' scss-mode.
Mediocre css dropdown menu.
Slick new nav-bar with drop-down menus.

Trivial web-tutorial styling.
Merge branch 'master' of https://github.com/daf-/coop-site into new-nav-bar

Conflicts:
	app/assets/stylesheets/layout.css.scss
Merge pull request #37 from daf-/new-nav-bar

New nav bar