Start with template file for authorship detection

From this example handout:
http://nifty.stanford.edu/2013/craig-authorship-detection/handout
/index.shtml

The idea is to generate a text signature and compare that with
signatures of possible authors.
Add data for authorship project
Finish authorship detection assignment

Currently, with the given 5 files, it can recognize the correct author
of 4 files.