Fix origin requests to default to HTTP 1.1
Fix origin requests to default to HTTP 1.1

To follow proxy.config.http.send_http11_requests setting.

SolidWallOfCode/trafficserver,PSUdaemon/trafficserver,pbchou/trafficserver,rpufky/trafficserver,chitianhao/trafficserver,taoyunxing/trafficserver,persiaAziz/trafficserver,taoyunxing/trafficserver,davidbz/trafficserver,persiaAziz/trafficserver,bryancall/trafficserver,duke8253/trafficserver,pbchou/trafficserver,bryancall/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,clearswift/trafficserver,PSUdaemon/trafficserver,vmamidi/trafficserver,taoyunxing/trafficserver,rahmalik/trafficserver,taoyunxing/trafficserver,rpufky/trafficserver,duke8253/trafficserver,PSUdaemon/trafficserver,bryancall/trafficserver,clearswift/trafficserver,rahmalik/trafficserver,reveller/trafficserver,persiaAziz/trafficserver,clearswift/trafficserver,taoyunxing/trafficserver,clearswift/trafficserver,pbchou/trafficserver,vmamidi/trafficserver,rpufky/trafficserver,dyrock/trafficserver,chitianhao/trafficserver,rpufky/trafficserver,chitianhao/trafficserver,rpufky/trafficserver,taoyunxing/trafficserver,PSUdaemon/trafficserver,reveller/trafficserver,duke8253/trafficserver,PSUdaemon/trafficserver,reveller/trafficserver,SolidWallOfCode/trafficserver,PSUdaemon/trafficserver,rahmalik/trafficserver,taoyunxing/trafficserver,SolidWallOfCode/trafficserver,reveller/trafficserver,vmamidi/trafficserver,clearswift/trafficserver,reveller/trafficserver,reveller/trafficserver,dyrock/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,rpufky/trafficserver,davidbz/trafficserver,clearswift/trafficserver,rahmalik/trafficserver,davidbz/trafficserver,SolidWallOfCode/trafficserver,davidbz/trafficserver,dyrock/trafficserver,clearswift/trafficserver,vmamidi/trafficserver,dyrock/trafficserver,rahmalik/trafficserver,rpufky/trafficserver,PSUdaemon/trafficserver,reveller/trafficserver,dyrock/trafficserver,chitianhao/trafficserver,duke8253/trafficserver,taoyunxing/trafficserver,bryancall/trafficserver,bryancall/trafficserver,dyrock/trafficserver,duke8253/trafficserver,persiaAziz/trafficserver,reveller/trafficserver,bryancall/trafficserver,persiaAziz/trafficserver,rahmalik/trafficserver,pbchou/trafficserver,dyrock/trafficserver,davidbz/trafficserver,duke8253/trafficserver,chitianhao/trafficserver,rahmalik/trafficserver,rpufky/trafficserver,pbchou/trafficserver,rahmalik/trafficserver,chitianhao/trafficserver,persiaAziz/trafficserver,PSUdaemon/trafficserver,reveller/trafficserver,PSUdaemon/trafficserver,vmamidi/trafficserver,chitianhao/trafficserver,taoyunxing/trafficserver,persiaAziz/trafficserver,clearswift/trafficserver,duke8253/trafficserver,persiaAziz/trafficserver,clearswift/trafficserver,rpufky/trafficserver,SolidWallOfCode/trafficserver,davidbz/trafficserver,rahmalik/trafficserver