Update the Jenkins builds to build v4.2.x
Update the Jenkins builds to build v4.2.x

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