update migration guide
update migration guide

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