am 0622ed7f: am 0034beab: resolved conflicts for merge of 783e115b to jb-mr1-dev

* commit '0622ed7fbb64e1cd156c453d9412b544c4e84fb1':
  implement new organization for Training classes This also moves a few of the documents from API Guides > Best Practices into the new courses for best practices. This is also dependent on CL Ieac8a97a8d6fda41a3682241901150cfe16afc4d which generates the list of classes/lessons on each course landing page.