Updated with listing of Tribler project

PROMO: Tribler is the last academic team conducting experimental P2P research using an actively improved and had 1.4Million installs. Funded by over 3 million Euro in grants it has a significant team behind it. I'm the professor coordinating the work.
Update README.md
Update README.md
Merge pull request #17 from synctext/master

Adding a line for the Internet-deployed Tribler project