Upgrade Async Http client to version 2.8.1
Upgrade Async Http client to version 2.8.1

apache/camel,adessaigne/camel,DariusX/camel,nicolaferraro/camel,cunningt/camel,cunningt/camel,zregvart/camel,christophd/camel,adessaigne/camel,ullgren/camel,ullgren/camel,cunningt/camel,nikhilvibhav/camel,zregvart/camel,pmoerenhout/camel,apache/camel,tdiesler/camel,gnodet/camel,DariusX/camel,christophd/camel,mcollovati/camel,alvinkwekel/camel,davidkarlsen/camel,cunningt/camel,adessaigne/camel,adessaigne/camel,pmoerenhout/camel,christophd/camel,pmoerenhout/camel,pax95/camel,apache/camel,punkhorn/camel-upstream,alvinkwekel/camel,ullgren/camel,adessaigne/camel,pax95/camel,objectiser/camel,tadayosi/camel,alvinkwekel/camel,Fabryprog/camel,CodeSmell/camel,nicolaferraro/camel,Fabryprog/camel,nikhilvibhav/camel,pax95/camel,apache/camel,tdiesler/camel,gnodet/camel,pmoerenhout/camel,nicolaferraro/camel,cunningt/camel,DariusX/camel,nikhilvibhav/camel,objectiser/camel,apache/camel,mcollovati/camel,pmoerenhout/camel,mcollovati/camel,Fabryprog/camel,nikhilvibhav/camel,adessaigne/camel,davidkarlsen/camel,punkhorn/camel-upstream,christophd/camel,gnodet/camel,CodeSmell/camel,nicolaferraro/camel,tadayosi/camel,alvinkwekel/camel,Fabryprog/camel,cunningt/camel,punkhorn/camel-upstream,pax95/camel,apache/camel,christophd/camel,objectiser/camel,tdiesler/camel,tdiesler/camel,christophd/camel,tdiesler/camel,CodeSmell/camel,mcollovati/camel,davidkarlsen/camel,tadayosi/camel,pmoerenhout/camel,tadayosi/camel,zregvart/camel,davidkarlsen/camel,tadayosi/camel,objectiser/camel,DariusX/camel,gnodet/camel,zregvart/camel,tdiesler/camel,tadayosi/camel,pax95/camel,punkhorn/camel-upstream,pax95/camel,gnodet/camel,ullgren/camel,CodeSmell/camel