Upgrade RxJava to version 2.2.1
Upgrade RxJava to version 2.2.1

anoordover/camel,CodeSmell/camel,punkhorn/camel-upstream,pax95/camel,zregvart/camel,tadayosi/camel,adessaigne/camel,mcollovati/camel,sverkera/camel,objectiser/camel,pax95/camel,apache/camel,christophd/camel,ullgren/camel,zregvart/camel,tdiesler/camel,pmoerenhout/camel,davidkarlsen/camel,kevinearls/camel,zregvart/camel,gnodet/camel,pmoerenhout/camel,punkhorn/camel-upstream,sverkera/camel,DariusX/camel,sverkera/camel,tdiesler/camel,apache/camel,cunningt/camel,adessaigne/camel,jamesnetherton/camel,nicolaferraro/camel,tadayosi/camel,nikhilvibhav/camel,cunningt/camel,nicolaferraro/camel,pmoerenhout/camel,pax95/camel,jamesnetherton/camel,ullgren/camel,gnodet/camel,gnodet/camel,cunningt/camel,christophd/camel,cunningt/camel,christophd/camel,kevinearls/camel,nikhilvibhav/camel,CodeSmell/camel,Fabryprog/camel,nikhilvibhav/camel,Fabryprog/camel,apache/camel,pmoerenhout/camel,apache/camel,mcollovati/camel,objectiser/camel,gnodet/camel,davidkarlsen/camel,onders86/camel,anoordover/camel,DariusX/camel,nicolaferraro/camel,anoordover/camel,apache/camel,tadayosi/camel,cunningt/camel,anoordover/camel,adessaigne/camel,cunningt/camel,adessaigne/camel,jamesnetherton/camel,nikhilvibhav/camel,sverkera/camel,Fabryprog/camel,Fabryprog/camel,pax95/camel,CodeSmell/camel,onders86/camel,alvinkwekel/camel,sverkera/camel,zregvart/camel,ullgren/camel,tadayosi/camel,christophd/camel,alvinkwekel/camel,onders86/camel,davidkarlsen/camel,adessaigne/camel,punkhorn/camel-upstream,onders86/camel,kevinearls/camel,kevinearls/camel,tdiesler/camel,kevinearls/camel,anoordover/camel,punkhorn/camel-upstream,pax95/camel,pmoerenhout/camel,tdiesler/camel,tadayosi/camel,gnodet/camel,DariusX/camel,anoordover/camel,kevinearls/camel,christophd/camel,objectiser/camel,CodeSmell/camel,jamesnetherton/camel,pmoerenhout/camel,davidkarlsen/camel,onders86/camel,onders86/camel,jamesnetherton/camel,tadayosi/camel,mcollovati/camel,DariusX/camel,tdiesler/camel,adessaigne/camel,jamesnetherton/camel,tdiesler/camel,mcollovati/camel,ullgren/camel,sverkera/camel,nicolaferraro/camel,alvinkwekel/camel,christophd/camel,pax95/camel,alvinkwekel/camel,objectiser/camel,apache/camel