* lib: Accept and ignore content-length: 0 in 204 response for now
* build: Use pkg-config to detect libxml2
* build: Require c-ares to compile applications under src
* build: Add Windows CI via AppVeyor (Patch from Alexis La Goutte)
* examples: Delete tiny-nghttpd
* nghttpx: Retry h1 backend request if first write fails (GH-757)
* nghttpx: Keep reading after backend write failed (GH-756)
* nghttpx: Add frontend-keep-alive-timeout option (GH-755)
* nghttpx: New error log format (GH-749)
* nghttpx: Fix bug that fetch-ocsp-response does not work with OpenSSL 1.1.0 (GH-742)
* nghttpx: Backend API call allows non-numeric host with dns parameter (GH-731)
* nghttpx: Lookup backend host name dynamically (GH-721)
* nghttpx: Accept and ignore content-length: 0 in 204 response for now (GH-735)
* nghttpx: Wait for child process to exit
OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/nghttp2?expand=0&rev=63
