jekyll update

I watched Gabe’s video and was able to use “jekyll build” to actually
make the changes to the site.
Merge pull request #225 from SUNY-Albany-CCI-INF362/jekyll-update

jekyll update
Update index.html
Merge pull request #228 from SUNY-Albany-CCI-INF362/natalia

Update index.html
Merge pull request #229 from SUNY-Albany-CCI-INF362/master

index update