Merge pull request #241 from peterasujan/gh-pages

Cleaned up code for alonzo movement. Also, clicking away from nav menu n...
Fixed the subsets self test
show videos, readings o berkeley course
Merge pull request #245 from xtitter/gh-pages

show videos, readings o berkeley course
Merge pull request #243 from paulirwin12/gh-pages

Fixed the subsets self test
Tweaked comments a bit more for subsets self test.