'Find all servers published on Plex.tv'

@cherrypy.expose
@cherrypy.tools.json_out()
@requireAuth(member_of('admin'))
def get_server_list(self, **kwargs):

    plex_tv = plextv.PlexTV()
    result = plex_tv.get_plextv_server_list('json')
    if result:
        return result
    else:
        logger.warn(u'Unable    to    retrieve    data    for    get_server_list.')
