WIP: Documentation for Publishing Changes

I'd recommend a smoother transition from the above information to this information:

>>Once you understand the way edX courses are structured, you can start organizing your content and entering it into Studio. As you build your outline and enter your content into your course, you'll also schedule when different parts of the course will be released. For information about this step, see the following topics:

(I left out "and publish content for students" because that doesn't appear in the list below, which could be confusing.)