upgrade log4j2 to 2.9.1
upgrade log4j2 to 2.9.1

punkhorn/camel-upstream,tdiesler/camel,alvinkwekel/camel,drsquidop/camel,isavin/camel,curso007/camel,gautric/camel,onders86/camel,Fabryprog/camel,apache/camel,ullgren/camel,pax95/camel,zregvart/camel,rmarting/camel,objectiser/camel,DariusX/camel,christophd/camel,cunningt/camel,ullgren/camel,pax95/camel,sverkera/camel,cunningt/camel,apache/camel,jamesnetherton/camel,tdiesler/camel,jonmcewen/camel,anoordover/camel,adessaigne/camel,sverkera/camel,nicolaferraro/camel,dmvolod/camel,anton-k11/camel,gautric/camel,adessaigne/camel,onders86/camel,dmvolod/camel,rmarting/camel,cunningt/camel,christophd/camel,jonmcewen/camel,Fabryprog/camel,pmoerenhout/camel,gautric/camel,punkhorn/camel-upstream,nikhilvibhav/camel,kevinearls/camel,sverkera/camel,anton-k11/camel,tadayosi/camel,alvinkwekel/camel,nicolaferraro/camel,gautric/camel,adessaigne/camel,pmoerenhout/camel,snurmine/camel,gnodet/camel,apache/camel,curso007/camel,cunningt/camel,tadayosi/camel,cunningt/camel,alvinkwekel/camel,CodeSmell/camel,drsquidop/camel,adessaigne/camel,christophd/camel,Fabryprog/camel,nicolaferraro/camel,kevinearls/camel,akhettar/camel,mcollovati/camel,pax95/camel,jonmcewen/camel,kevinearls/camel,pmoerenhout/camel,anoordover/camel,punkhorn/camel-upstream,ullgren/camel,DariusX/camel,jonmcewen/camel,tadayosi/camel,zregvart/camel,rmarting/camel,curso007/camel,Fabryprog/camel,dmvolod/camel,gautric/camel,anoordover/camel,Thopap/camel,curso007/camel,adessaigne/camel,isavin/camel,snurmine/camel,dmvolod/camel,mcollovati/camel,pax95/camel,onders86/camel,kevinearls/camel,Thopap/camel,nicolaferraro/camel,objectiser/camel,isavin/camel,snurmine/camel,davidkarlsen/camel,isavin/camel,isavin/camel,christophd/camel,apache/camel,drsquidop/camel,jonmcewen/camel,snurmine/camel,rmarting/camel,tadayosi/camel,rmarting/camel,nikhilvibhav/camel,Thopap/camel,zregvart/camel,anton-k11/camel,tdiesler/camel,dmvolod/camel,kevinearls/camel,drsquidop/camel,Thopap/camel,drsquidop/camel,tadayosi/camel,rmarting/camel,sverkera/camel,pax95/camel,adessaigne/camel,akhettar/camel,anoordover/camel,DariusX/camel,jamesnetherton/camel,akhettar/camel,pmoerenhout/camel,punkhorn/camel-upstream,anoordover/camel,gautric/camel,pmoerenhout/camel,nikhilvibhav/camel,akhettar/camel,onders86/camel,christophd/camel,davidkarlsen/camel,gnodet/camel,alvinkwekel/camel,akhettar/camel,CodeSmell/camel,davidkarlsen/camel,DariusX/camel,cunningt/camel,nikhilvibhav/camel,objectiser/camel,gnodet/camel,snurmine/camel,gnodet/camel,objectiser/camel,sverkera/camel,dmvolod/camel,mcollovati/camel,CodeSmell/camel,isavin/camel,apache/camel,Thopap/camel,tdiesler/camel,gnodet/camel,curso007/camel,mcollovati/camel,pax95/camel,tdiesler/camel,davidkarlsen/camel,jamesnetherton/camel,anton-k11/camel,ullgren/camel,CodeSmell/camel,snurmine/camel,jamesnetherton/camel,christophd/camel,tdiesler/camel,kevinearls/camel,onders86/camel,zregvart/camel,akhettar/camel,sverkera/camel,anton-k11/camel,anton-k11/camel,jamesnetherton/camel,drsquidop/camel,Thopap/camel,apache/camel,jamesnetherton/camel,onders86/camel,curso007/camel,tadayosi/camel,pmoerenhout/camel,anoordover/camel,jonmcewen/camel