Merge pull request #4 from sckott/gh-pages

edited r-setup instructions html page
Actually, let's bring knitr and pander back
a few changes to the slides
slides for intro pitch in R room
remove temporary file
Stickies also double as feedback form
Adds git intro slides
final (ha) draft of slides for first day
Merge branch 'gh-pages' of https://github.com/BernhardKonrad/2014-02-22-SFU into gh-pages
compiled slideshows for 1st day Python room
Adds sponsors, good to go