On the trunk:

mod_http2/mod_proxy_http2: less read attempts on bucket beams that already
     delivered EOS/headers. Fixed bug in re-attempting proxy request after 
     connection error.



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1790102 13f79535-47bb-0310-9956-ffa450edef68