Squashed 'agentzh__echo-nginx-module/' changes from 6ce0801..d9c7c08

d9c7c08 bugfix: $echo_client_request_headers may evaluate to an empty value when the default header buffer (c->buffer) can hold the request line but not the whole header. thanks KDr2 for reporting this issue.

git-subtree-dir: agentzh__echo-nginx-module
git-subtree-split: d9c7c0867aba55a6bfbc7563c3ad6fa6e2f37f0e
Merge commit '3c500c83afd6443a39b19ab7ce570e49e6014235'
Squashed 'agentzh__lua-resty-memcached/' changes from a40906d..10abe2f

10abe2f docs: check the return values of the "set_keepalive" method.

git-subtree-dir: agentzh__lua-resty-memcached
git-subtree-split: 10abe2f0d0cba6cfbdae22d48cd70df4c890d9bc
Merge commit '90aba689350eea2d4d3d700adf37cd616284cb8a'
Squashed 'agentzh__nginx-systemtap-toolkit/' changes from 46aa252..7c553c8

7c553c8 ngx-pcre-stats: no longer quote the regex text because there is seldom or never special chars in regexes.
6625153 feature: added the "-t <seconds>" command-line option to the ngx-pcre-stats tool to allow specifying the sampling period explicitly. thanks Dane Knecht for requesting this.
06fee1f ngx-pcre-stats: fixed a misleading error message. thanks Dane Knecht for reporting it.
3acd65d minor doc tweaks for ngx-pcre-stats.
cdf3cc7 feature: added new tool ngx-pcre-stats to analyze PCRE regex runtime performance statistically. thanks Dane Knecht for requesting this.
3deaa0c ngx-sample-lua-bt: removed an unused variable.

git-subtree-dir: agentzh__nginx-systemtap-toolkit
git-subtree-split: 7c553c83cb7f39ccda3fdafb8113d72ad615884c
Merge commit '16dfbd44bcd342ed8405b0c6ed34bcb9832ead55'
Squashed 'agentzh__ngx_openresty/' changes from 49d9d9b..8e57e25

8e57e25 bumped version to 1.2.7.5; updated tests to reflect recent changes.
f5f2d67 upgraded ngx_lua to 0.7.20.

git-subtree-dir: agentzh__ngx_openresty
git-subtree-split: 8e57e2541b974fab2f23941ad37032d91c9f782b
Merge commit '7bce7caecbae2a386dc91d883e32aa95375c691f'
Squashed 'agentzh__test-nginx/' changes from ff6e09f..366bd2d

366bd2d bugfix: TEST_NGINX_USE_HUP=1 could not work with TEST_NGINX_NO_CLEAN=1.

git-subtree-dir: agentzh__test-nginx
git-subtree-split: 366bd2da975d3715556bac422c0ae24901884267
Merge commit 'a8e5efe5caf47cf2f1b2fd25f6b5d7bf31033e5c'
Squashed 'appwilldev__moochine-demo/' changes from 7ebbf74..b98ad1d

b98ad1d minor changes
e91caac minor changes
f836b17 ngx_openresty-1.2.7.5.tar.gz

git-subtree-dir: appwilldev__moochine-demo
git-subtree-split: b98ad1d0d5159fb098d1a3ed6caec8b9c69b505a
Merge commit '2773383909d2b973e3b10805c52d43d80e4ee84e'
Squashed 'chaoslawful__lua-nginx-module/' changes from 7c6484d..26d679f

26d679f bugfix: ngx.req.raw_header() would return an empty string value when the default header buffer (c->buffer) can hold the request line but not the whole header. thanks KDr2 for reporting this issue in #229.
4e8c4bf bugfix: boolean values in an array table were rejected with the exception "attempt to use boolean as query arg value" while encoding a lua (hash) table as URL arguments. thanks Calin Don for reporting this issue.
a414691 updated docs to reflect recent changes.

git-subtree-dir: chaoslawful__lua-nginx-module
git-subtree-split: 26d679f8d4071b07c9347e7706b7b45a51d90301
Merge commit '040a5a915a920c691c8a456ac8cf84ff1fdf54e0'
Squashed 'medcl__lua-resty-weedfs/' changes from 2a81cbc..b3d5d54

b3d5d54 optimize performance
b54fd97 add image scale,orig with .gif

git-subtree-dir: medcl__lua-resty-weedfs
git-subtree-split: b3d5d54de3c25be1ec091a7297dfb7866599397d
Merge commit '10fdf36185ead3f5165059dc554d5c91f59fd1da'
Squashed 'observing__balancerbattle/' changes from 047e2b9..1bdd6bf

1bdd6bf [minor] Added some information on why hipache was not included.
2cd5ee3 [doc] Updated HAProxy with new stats for HTTPS

git-subtree-dir: observing__balancerbattle
git-subtree-split: 1bdd6bf7e9d3ffef22fc83c693161975a8e145d3
Merge commit '1fad106a0751ec763655e05ff4b72959c50165c5'
Squashed 'torhve__luaweb/' content from commit 0cd3dc8

git-subtree-dir: torhve__luaweb
git-subtree-split: 0cd3dc8f9cd73a312b0dc76ca0dca20f035f2d76
Merge commit 'b87c89876a771dad49ce78ed45e62fc035e8b83a' as 'torhve__luaweb'