Only generate stats if we can access them
Only generate stats if we can access them

There's no point generating stats nobody can access.

Note with this change we're automatically excluding polls created in the
dashboard, since these polls don't have stats enabled.

usabi/consul_san_borondon,consul/consul,usabi/consul_san_borondon,usabi/consul_san_borondon,consul/consul,consul/consul,consul/consul,consul/consul,usabi/consul_san_borondon