Replace &rsquo; with the utf-8 character

Replace &rsquo; with the utf-8 character ’ as used in Quiver notices.

> You were accepted as one of OKCUSERNAME&rsquo;s Quiver matches! OkCupid suggests matches to users through a feature called Quiver. -- Staff Robot

UTF-8 in Python seems tricky, and even version specific, so hope it works for everyone.

```shell
$ python --version
Python 2.7.6
```