remove the cached connection from the upstream retrying function
Merge branch 'develop' into fix_keepalive_retry
added the retry_cached_connection directive
fixed the missing with invalid character for ngx_unescape_uri
added the test cases for ngx_unescape_uri
Fix build process
add chinese document for consistent_hash module
Merge pull request #241 from dinic/consistent_hash_doc2

add chinese document for consistent_hash module
consistent_hash bugfix
Merge pull request #242 from dinic/consistent_hash_fix

consistent_hash bugfix
bumped version to 1.4.6
Merge pull request #243 from zhuzhaoyuan/bump-version-1.4.6

bumped version to 1.4.6
updated the feature list
Merge pull request #244 from zhuzhaoyuan/update-readme-1.4.5

updated the feature list
Merge pull request #231 from yaoweibin/fix_unescape_uri

it looks good to me
added the missing tengine modules in 'options'
Merge pull request #246 from zhuzhaoyuan/update-module-stub

added the missing tengine modules in 'options'
Added accept filter
Merge pull request #240 from gringus/master

Fix build process
fixed proxy chunked response security problem

http://mailman.nginx.org/pipermail/nginx-announce/2013/000114.html

A security problem related to CVE-2013-2028 was identified,
affecting some previous nginx versions if proxy_pass to
untrusted upstream HTTP servers is used.

The problem may lead to a denial of service or a disclosure of a
worker process memory on a specially crafted response from an
upstream proxied server.