Fix broken/incorrect links
Fix broken/incorrect links

1. 2xlinks with broken MD syntax has been corrected.
2. Incorrect reference to ActiveMQ committer guide has been fixed.
pmoerenhout/camel,pmoerenhout/camel,christophd/camel,nikhilvibhav/camel,DariusX/camel,christophd/camel,gnodet/camel,christophd/camel,ullgren/camel,nikhilvibhav/camel,adessaigne/camel,gnodet/camel,CodeSmell/camel,objectiser/camel,nicolaferraro/camel,tdiesler/camel,pmoerenhout/camel,ullgren/camel,alvinkwekel/camel,adessaigne/camel,cunningt/camel,apache/camel,adessaigne/camel,tdiesler/camel,objectiser/camel,objectiser/camel,gnodet/camel,apache/camel,nicolaferraro/camel,nikhilvibhav/camel,pax95/camel,cunningt/camel,alvinkwekel/camel,tadayosi/camel,CodeSmell/camel,cunningt/camel,mcollovati/camel,pmoerenhout/camel,zregvart/camel,apache/camel,pmoerenhout/camel,christophd/camel,nicolaferraro/camel,nikhilvibhav/camel,tdiesler/camel,tdiesler/camel,zregvart/camel,cunningt/camel,tdiesler/camel,pax95/camel,tadayosi/camel,apache/camel,CodeSmell/camel,mcollovati/camel,DariusX/camel,zregvart/camel,apache/camel,alvinkwekel/camel,CodeSmell/camel,pmoerenhout/camel,ullgren/camel,alvinkwekel/camel,apache/camel,christophd/camel,cunningt/camel,mcollovati/camel,adessaigne/camel,objectiser/camel,ullgren/camel,tadayosi/camel,zregvart/camel,gnodet/camel,cunningt/camel,mcollovati/camel,tadayosi/camel,pax95/camel,nicolaferraro/camel,tadayosi/camel,pax95/camel,adessaigne/camel,pax95/camel,tdiesler/camel,DariusX/camel,tadayosi/camel,DariusX/camel,adessaigne/camel,christophd/camel,gnodet/camel,pax95/camel