zabbix_agentd is  a standalone  daemon which can  be ran  through supervisord,
whereas zabbix_agent is  supposed to be used with inetd,  thus use the former,
likewise zabbix-agent software instanciation profile.

Need to allow from www.owlfish.com, as WSGIUtils is available there.

Added white spaces arround "="

This value could be much higher in future because it is only sleep for so
long after instance be well setupped.