Minor tweaks.
Merge pull request #2 from alexcouper/small_changes

Minor tweaks.
added the start for some mocking code (I need this for something today, which is why I'm jumping ahead to this portion).
Added more mocking material.
Merge branch 'master' of https://github.com/rgalanakis/tddtraining
Point to mocking materials.
Added tdd demo code and example AI.
Changed styling a bit
Made presentation position, not '-p', that was annoying (optparse=>argparse)
Added agenda