Added first draft of conclusions slide
Updated version control section; Added four exercises
Updated root README with installation reminder, link to etherpad.
Updated and finished the shell section

Could use an additional exercise to move files around. This would tie in nicely if I can somehow do package development on day two instead of day 1.
added some examples of searching through logs.
Updated material for data visualization
Clean up commit. Removed old placeholder folders and associated READMEs
Updated ignore list
Removed wrong .gitignore file
Updated ignore list
Updated ignore list
Added material on testing, including one exercise
Updated instructions on make
Updated notes in knitr
Updated data viz readme
Updated some notes on testing. minimal in addition to summary
Updated material on knitr and make
Included more instructions for pandoc, LaTeX, and make
Added one more make example