Update CI environment (Node 8, Yarn 1.2.1) (#11355)
Update CI environment (Node 8, Yarn 1.2.1) (#11355)


cpojer/react,jameszhan/react,syranide/react,cpojer/react,trueadm/react,camsong/react,facebook/react,tomocchino/react,jorrit/react,yungsters/react,rricard/react,anushreesubramani/react,camsong/react,rricard/react,yungsters/react,anushreesubramani/react,jameszhan/react,chicoxyzzy/react,brigand/react,yiminghe/react,mjackson/react,brigand/react,silvestrijonathan/react,tomocchino/react,billfeller/react,mosoft521/react,jdlehman/react,aickin/react,mosoft521/react,yungsters/react,facebook/react,jdlehman/react,mosoft521/react,jzmq/react,tomocchino/react,apaatsio/react,mjackson/react,mosoft521/react,yiminghe/react,kaushik94/react,krasimir/react,nhunzaker/react,TheBlasfem/react,chicoxyzzy/react,jorrit/react,camsong/react,kaushik94/react,VioletLife/react,ArunTesco/react,flarnie/react,dilidili/react,tomocchino/react,glenjamin/react,rickbeerendonk/react,Simek/react,silvestrijonathan/react,roth1002/react,krasimir/react,tomocchino/react,anushreesubramani/react,brigand/react,aickin/react,yiminghe/react,ericyang321/react,apaatsio/react,glenjamin/react,rickbeerendonk/react,ericyang321/react,camsong/react,jameszhan/react,roth1002/react,acdlite/react,glenjamin/react,maxschmeling/react,acdlite/react,silvestrijonathan/react,flarnie/react,kaushik94/react,prometheansacrifice/react,jorrit/react,billfeller/react,jzmq/react,silvestrijonathan/react,STRML/react,STRML/react,billfeller/react,rickbeerendonk/react,glenjamin/react,yungsters/react,terminatorheart/react,mjackson/react,facebook/react,acdlite/react,TheBlasfem/react,jameszhan/react,tomocchino/react,silvestrijonathan/react,mjackson/react,chicoxyzzy/react,Simek/react,chicoxyzzy/react,empyrical/react,trueadm/react,jameszhan/react,trueadm/react,ArunTesco/react,mosoft521/react,Simek/react,jorrit/react,terminatorheart/react,aickin/react,rickbeerendonk/react,VioletLife/react,VioletLife/react,mosoft521/react,empyrical/react,dilidili/react,maxschmeling/react,ericyang321/react,chenglou/react,krasimir/react,krasimir/react,dilidili/react,anushreesubramani/react,apaatsio/react,chenglou/react,camsong/react,yiminghe/react,VioletLife/react,nhunzaker/react,rricard/react,jorrit/react,rickbeerendonk/react,jdlehman/react,cpojer/react,jzmq/react,jorrit/react,billfeller/react,prometheansacrifice/react,mjackson/react,jdlehman/react,TheBlasfem/react,krasimir/react,kaushik94/react,cpojer/react,yungsters/react,glenjamin/react,VioletLife/react,roth1002/react,krasimir/react,maxschmeling/react,VioletLife/react,jdlehman/react,dilidili/react,Simek/react,empyrical/react,syranide/react,apaatsio/react,kaushik94/react,nhunzaker/react,jzmq/react,cpojer/react,trueadm/react,STRML/react,jzmq/react,nhunzaker/react,apaatsio/react,ArunTesco/react,prometheansacrifice/react,aickin/react,nhunzaker/react,cpojer/react,ericyang321/react,nhunzaker/react,Simek/react,jzmq/react,roth1002/react,terminatorheart/react,brigand/react,rickbeerendonk/react,syranide/react,maxschmeling/react,STRML/react,TheBlasfem/react,chicoxyzzy/react,acdlite/react,jdlehman/react,dilidili/react,krasimir/react,yiminghe/react,brigand/react,flarnie/react,ericyang321/react,VioletLife/react,STRML/react,billfeller/react,facebook/react,ericyang321/react,jameszhan/react,yungsters/react,terminatorheart/react,billfeller/react,maxschmeling/react,glenjamin/react,apaatsio/react,jameszhan/react,Simek/react,jzmq/react,prometheansacrifice/react,chenglou/react,trueadm/react,maxschmeling/react,flarnie/react,tomocchino/react,nhunzaker/react,roth1002/react,prometheansacrifice/react,aickin/react,anushreesubramani/react,maxschmeling/react,mosoft521/react,empyrical/react,prometheansacrifice/react,TheBlasfem/react,chenglou/react,empyrical/react,flarnie/react,rricard/react,trueadm/react,chenglou/react,ericyang321/react,roth1002/react,Simek/react,cpojer/react,chenglou/react,jorrit/react,jdlehman/react,brigand/react,mjackson/react,syranide/react,camsong/react,rricard/react,yungsters/react,aickin/react,apaatsio/react,flarnie/react,yiminghe/react,anushreesubramani/react,silvestrijonathan/react,empyrical/react,aickin/react,STRML/react,kaushik94/react,facebook/react,camsong/react,silvestrijonathan/react,mjackson/react,brigand/react,empyrical/react,kaushik94/react,dilidili/react,glenjamin/react,facebook/react,TheBlasfem/react,dilidili/react,anushreesubramani/react,facebook/react,chicoxyzzy/react,rricard/react,trueadm/react,prometheansacrifice/react,rickbeerendonk/react,chenglou/react,acdlite/react,acdlite/react,terminatorheart/react,flarnie/react,STRML/react,roth1002/react,terminatorheart/react,yiminghe/react,acdlite/react,billfeller/react,chicoxyzzy/react