Removes foundation gem, CSS and JS files.

	modified:   Gemfile
	modified:   Gemfile.lock
	modified:   app/assets/javascripts/application.js
	modified:   app/assets/stylesheets/application.css
	deleted:    app/assets/stylesheets/foundation_and_overrides.scss
Temp guts JS app to prepare for static integration.

	modified:   app/assets/javascripts/backbone/app.js.coffee
	deleted:    app/assets/javascripts/backbone/apps/nav/list/list_controller.js.coffee
	deleted:    app/assets/javascripts/backbone/apps/nav/list/list_view.js.coffee
	deleted:    app/assets/javascripts/backbone/apps/nav/list/templates/nav.jst.hbs
	deleted:    app/assets/javascripts/backbone/apps/nav/list/templates/navs.jst.hbs
	deleted:    app/assets/javascripts/backbone/apps/nav/nav_app.js.coffee
	modified:   app/assets/javascripts/backbone/config/javascript.js.coffee
	modified:   app/assets/javascripts/backbone/config/marionette/application.js.coffee
	modified:   app/assets/javascripts/backbone/config/marionette/renderer.js.coffee
	deleted:    app/assets/javascripts/backbone/entities/nav.js.coffee
	deleted:    app/assets/javascripts/backbone/entities/network.js.coffee
	modified:   app/assets/javascripts/backbone/views/_base/view.js.coffee
	modified:   app/views/application/index.html.erb
Adds theme specific asset files.