Compile nginx with with-http_v2_module

Fix <input> style

Merge pull request alexazhou#44 from imlonghao/patch

Fix the static file backend problem

Add image to readme and improve the text

change entry uri of dashboard in readme.md

Add link of online demo to read

Fix ui_rewrite error when the regex in config is empty

Fix matcher check error when post data has been cached in temp file