edx/edx-platform — pull request #4572 by lamagnifica (2014-07-26 20:01:55+00:00)
Title: Ahodges/documentation/doc764

@WatsonEmily , please distribute for PM review for usability by our audience.
@stroilova , @shnayder , @rocha please review for accuracy, completeness, and level of detail, particualrly wrt data czars who will need to revise scripts for post-download processing.
@mhoeber , @srpearce please copy edit.