doc: use universally working curl -X PURGE call
doc: use universally working curl -X PURGE call

adding --resolve example.com:80:127.0.0.1 to the curl call, should also
clue people in as to how to access their https:// sites ;)

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