Changed Jezra's URL

Now it links to his new website rather than his old one.

README.rst

@@ -7,7 +7,7 @@ flexible plugin API allowing developers to add new advanced features
 that can be distributed and loaded with ease.
 
 Kaylee is based on `Blather <https://gitlab.com/jezra/blather>`__ by
-`Jezra <http://www.jezra.net/>`__, but adds a lot of features that go
+`Jezra <http://jezra.net/>`__, but adds a lot of features that go
 beyond the original purpose of Blather.
 
 Installation