fix link syntax in AUTHORS.rst; add Josh Bird

Author: felliott

AUTHORS.rst

@@ -31,5 +31,6 @@ Contributors
 - Matthew Keitelman `@zamattiac <https://github.com/zamattiac>`_
 - John Tordoff `@Johnetordoff <https://github.com/Johnetordoff>`_
 - Addison Schiller `@AddisonSchiller <https://github.com/AddisonSchiller>`_
-- Longze Chen `@cslzchen https://github.com/cslzchen`_
-- Jonathon Love `@jonathon-love https://github.com/jonathon-love`_
+- Longze Chen `@cslzchen <https://github.com/cslzchen>`_
+- Jonathon Love `@jonathon-love <https://github.com/jonathon-love>`_
+- Josh Bird `@birdbrained <https://github.com/birdbrained>`_