need new quotes for the home page

[phette23]

Repeating the same quotes as last year feels a bit weak, it'd be great if we had a process for collecting new ones for each conference, or if we only recycled a few.

[sdellis]

These could work:
https://twitter.com/torproject/status/707271159256125445
https://twitter.com/lorajdavis/status/705827637638336512
https://twitter.com/lorajdavis/status/705830690194067456

[joshuago78]

The first one is great.

My Twitterese is too poor to completely understand the second one, but I can feel the enthusiasm!