Testimonials

At some point I guess we should make a proper page of these, or highlight some of them in the README or something? For now I'm just making this page to collect kind words about trio so they don't get lost:

• https://github.com/python-trio/pytest-trio/issues/14#issuecomment-350454257

• https://github.com/python-trio/trio/issues/369#issuecomment-350393464

• https://gitter.im/python-trio/general?at=5a3fd7d60163b02810748f78

• https://gitter.im/python-trio/general?at=5a82f717ce68c3bc747efe51

Feel free to add more :-)