* add support for proxy protocol on HTTP listener (#1777)
* add support for proxy protocol on HTTP listener
* rename option, add doc
* reduce memory usage by handling http/2 coalescing via a lua script
* move script to file
* use wellknown
* fix integration test
- rename "dashboard" to userinfo to avoid confusion
- don't leak version from error page.
- fix typo in state.go
- make statik determenistic on modtime
Signed-off-by: Bobby DeSimone <bobbydesimone@gmail.com>