Finished Script

  1. Completed part 5, which was a summary of the data.

  2. Updated comments on functions that I added today.

  3. Removed plyr since I ended up not using it to complete the
     project.
Adding README data
Adding Code Book

Descibes the data output of the avg file.
Changed File Name For First Output File

Removed the work "tidy" from the output of the first data file produced.
Since this may have multiple rows for a given subject, activity,
measurement, it's not necessarly tidy.
Cleaned up code book text a bit.
Refactoring Script

Added the averaging values code (part 5) to the tidy_up_dataset
function since they are related.