Summary:

Summary:
Merge in IMS refactoring.

Keywords:

Patches applied:

* robertc@squid-cache.org--squid/squid--bug-564--3.0--patch-5
And ESI was broken too.

* robertc@squid-cache.org--squid/squid--bug-564--3.0--patch-4
Fix introduced memleak.

* robertc@squid-cache.org--squid/squid--bug-564--3.0--patch-3
Start tackling the refresh logic.

* robertc@squid-cache.org--squid/squid--bug-564--3.0--patch-2
More steps to fixing bug #564

* robertc@squid-cache.org--squid/squid--bug-564--3.0--patch-1
Towards addressing bug 564

* robertc@squid-cache.org--squid/squid--bug-564--3.0--base-0
tag of robertc@squid-cache.org--squid/squid--HEAD--3.0--patch-125