Update README.md
fix a typo
1. fix #248 host_header_rewrite bug 2. close #270, #127
fix backquote
Fix dockerfile
Fix incorrect filenames
bump verson to v0.12.0
update doc
update ISSUE_TEMPLATE
bump version to 0.11.0
plugin: add http_proxy
add http proxy
add http proxy add proxy code add proxy
client: add start params
Proxy names specified in 'start' params divided by ',' will be started. If it is empty or not defined, all proxies will be started.