[feature] A slideshow on the main page

[peasant98]

Is your feature request related to a problem? Please describe.
Makes the main page look cooler and more appealing to prospective students (both undergrad and graduate!)

Describe the solution you'd like
Add a slideshow of pictures on the main page, including the group picture, a cool depth image picture, and maybe a couple others.

Additional context
Should be light work

[alecive]

I'd be happy about it -- anybody wants to take the lead? :-)

[alecive]

It would be really nice to have a slideshow embedded in the header, similarly to this : http://www.lynchlab.org/