r4068:
There is probably a bug if an ESI subrequest turns ESI delivery back
on -- add reminder so I can circle back and extend the test for it

r4077:
It turns out that you could turn off ESI processing for subrequest and
completely hose the response. Ignore the flag if you are in a
subrequest.

r4081:
I am stupid, missing '/'



git-svn-id: http://www.varnish-cache.org/svn/branches/2.0@4280 d4fa192b-c00b-0410-8231-f00ffab90ce4