Omit h_ prefix on HTTP headers in trace.xml
Omit h_ prefix on HTTP headers in trace.xml

Fixes #548

juvchan/kudu,EricSten-MSFT/kudu,shibayan/kudu,kali786516/kudu,puneet-gupta/kudu,EricSten-MSFT/kudu,juoni/kudu,projectkudu/kudu,badescuga/kudu,bbauya/kudu,chrisrpatterson/kudu,oliver-feng/kudu,shanselman/kudu,sitereactor/kudu,uQr/kudu,uQr/kudu,duncansmart/kudu,MavenRain/kudu,EricSten-MSFT/kudu,duncansmart/kudu,barnyp/kudu,shanselman/kudu,EricSten-MSFT/kudu,sitereactor/kudu,bbauya/kudu,kenegozi/kudu,duncansmart/kudu,dev-enthusiast/kudu,barnyp/kudu,badescuga/kudu,WeAreMammoth/kudu-obsolete,WeAreMammoth/kudu-obsolete,barnyp/kudu,kali786516/kudu,puneet-gupta/kudu,kenegozi/kudu,kali786516/kudu,sitereactor/kudu,mauricionr/kudu,projectkudu/kudu,bbauya/kudu,kali786516/kudu,shibayan/kudu,YOTOV-LIMITED/kudu,oliver-feng/kudu,YOTOV-LIMITED/kudu,WeAreMammoth/kudu-obsolete,YOTOV-LIMITED/kudu,dev-enthusiast/kudu,shibayan/kudu,juoni/kudu,juvchan/kudu,barnyp/kudu,sitereactor/kudu,YOTOV-LIMITED/kudu,badescuga/kudu,chrisrpatterson/kudu,juvchan/kudu,puneet-gupta/kudu,uQr/kudu,juoni/kudu,mauricionr/kudu,sitereactor/kudu,kenegozi/kudu,shibayan/kudu,dev-enthusiast/kudu,projectkudu/kudu,EricSten-MSFT/kudu,juvchan/kudu,shrimpy/kudu,projectkudu/kudu,dev-enthusiast/kudu,MavenRain/kudu,shrimpy/kudu,juvchan/kudu,shibayan/kudu,uQr/kudu,shrimpy/kudu,shrimpy/kudu,mauricionr/kudu,chrisrpatterson/kudu,oliver-feng/kudu,kenegozi/kudu,projectkudu/kudu,badescuga/kudu,duncansmart/kudu,shanselman/kudu,MavenRain/kudu,puneet-gupta/kudu,bbauya/kudu,juoni/kudu,badescuga/kudu,oliver-feng/kudu,puneet-gupta/kudu,chrisrpatterson/kudu,mauricionr/kudu,MavenRain/kudu