Merge pull request #2 from saschwafel/master

Added SSCwafel directory and a test file
ensure that libsass is in the slides environment or we don't get the styling we want for the built slides
update the slides with more git content, add a class for the slides figures.
images needed for git content
more changes to outline, combine boolean and function class labs.
add print_grid.py solution to session 1 homework
update todo
move break to after the basics
Merge remote-tracking branch 'upstream/master'
Moving Notes directory to repo