random-hangs: attempt to fix random hangs
Merge pull request #333 from pagespeed/oschaaf-fix-random-hangs

random-hangs: attempt to fix random hangs
static-handler-etag: emit an etag in responses from our static handler

Fixes the etag part of https://github.com/pagespeed/ngx_pagespeed/issues/212
static-handler: fix compression
Updated README.md: nginx-1.4.1 stable

nginx-1.4.1 includes an important security fix
More details: http://nginx.org/en/CHANGES-1.4
Merge pull request #346 from patschi/patch-3

Updated README.md: nginx-1.4.1 stable
Merge pull request #344 from pagespeed/oschaaf-static-handler-fix-compression

static-handler: fix compression
Merge pull request #343 from pagespeed/oschaaf-static-handler-etag

static-handler-etag: emit an etag in responses from our static handler
style: prefix a few names with ps_
Merge pull request #348 from pagespeed/oschaaf-rename-write-handler-response

style: prefix a few names with ps_
native-fetcher: fix host header handling when no host header is given

When the host header is not explicitly set in the request headers that
are passed in, the native fetcher needs to derive it from the url.

Fixes https://github.com/pagespeed/ngx_pagespeed/issues/347
Merge pull request #349 from pagespeed/oschaaf-native-fetcher-host-handling

 native-fetcher: host header handling when no host header is given
native-fetcher: bypass the resolver for ipv4 addresses

ipv6 support would be nice too, but would require other code to be
updated to that as well. I created issue
https://github.com/pagespeed/ngx_pagespeed/issues/354 for that

Fixes https://github.com/pagespeed/ngx_pagespeed/issues/351
Merge pull request #355 from pagespeed/oschaaf-native-fetcher-ipaddress-lookup

native-fetcher: bypass the resolver for ipv4 addresses
caching: Handling cache-hit-header.

pagespeed_test_conf.template with the proxy_cache configuration blocks.
Handing cache-hit-header to bypass content handling by pagespeed.
caching: Addressing comments, adding system tests.

Addressed comment related to making variables out of proxy-cache related directory names.
Fixed SerfUrlAsyncFetcher instance to use threaded (async) fetching.
Added system tests to detect cache hits, misses and purges.
Merge branch 'anupama-html-caching' of https://github.com/pagespeed/ngx_pagespeed into anupama-html-caching

Conflicts:
	test/nginx_system_test.sh
	test/pagespeed_test.conf.template