Add myself to AUTHORS
Add myself to AUTHORS

According to my first contribution as of:

> commit b6bef9a
> Date:   Tue Mar 3 12:59:52 2015 +0100

pze/jedi-vim,clavery/jedi-vim,itchyny/jedi-vim,aliev/jedi-vim,FBruynbroeck/jedi-vim,davidhalter/jedi-vim,wilywampa/jedi-vim,genzj/jedi-vim