update docs for config checker command
update docs for config checker command

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