Log Message:
Take in 16 official patches and bump revision.

* connection setup may look like syn flood attack if server is
  refusing connection
* --enable-arp-acl may give warning about net/route.h
* Incorrect html on empty Gopher responses
* positive_dns_ttl ignored when using internal DNS client
* squid_ldap_group update to version 2.12
* 100% CPU loop if external_acl combined with authentication
* maximum_object_size too large causes squid not to cache
* Install of Mozilla/Netscape plugins fails because .xpi mime type unknown
* Segfault if failing to load error page
* Error page translation updates for German and Lithuanian
* auth_param documentation update
* pam_auth fails on Solaris when using pam_authtok_get
* FQDNcache discards negative responses when using internal DNS
* login with space confuses redirector helpers
* digest auth never detects password changes
* cache.log message on "squid -k reconfigure" confusing