$ ->
  # handle updating the width for scrolling through courses
  width = 0

  $(".courses-listing .course").each ->
    width += $(this).outerWidth(true)

  width += $(".courses-listing .course").outerWidth(true) / 3

  $(".courses-listing").css "width", width + "px"

Add JavaScript for Courses Listing Scroll
Add JavaScript for Courses Listing Scroll

Add JavaScript code to handle setting the width of the Courses listing
so that if there are more courses than fit on the page, the container
scrolls.
