Updates nginx’ support.

services/nginx.spec

@@ -3,6 +3,7 @@ consumes: http?
 provides: www, http
 ports: http=80, https=443
 reload-command: kill -HUP ${SERVICE_PID}
+user: root
 
 %configuration nginx.conf
 

templates/nginx.conf.j2

@@ -2,6 +2,8 @@
 # worker_processes  1;
 daemon off;
 
+user {{ service.user }};
+
 pid {{ service.root }}/pid;
 
 worker_rlimit_nofile 1024;