New base layout and region for Marionette.

 On branch app_layouts

	modified:   app/assets/javascripts/application.js
	modified:   app/assets/javascripts/backbone/apps/properties/list/list_view.js.coffee
	modified:   app/assets/javascripts/backbone/apps/properties/list/templates/layout.jst.hbs
	modified:   app/assets/javascripts/backbone/apps/properties/properties_app.js.coffee
	new file:   app/assets/javascripts/backbone/layouts/base/base_layout_app.js.coffee
	new file:   app/assets/javascripts/backbone/layouts/base/base_layout_view.js.coffee
	new file:   app/assets/javascripts/backbone/layouts/base/layout_controller.js.coffee
	new file:   app/assets/javascripts/backbone/layouts/base/templates/layout.jst.hbs
	modified:   app/assets/javascripts/backbone/lib/utilities/renderer.js.coffee