Make name of IPublishObserver impl consistent
Make name of IPublishObserver impl consistent

Former-commit-id: 2538153f99b1756389bde5137be37d74dc5373cb
phatboyg/MassTransit,SanSYS/MassTransit,MassTransit/MassTransit,jacobpovar/MassTransit,SanSYS/MassTransit,phatboyg/MassTransit,MassTransit/MassTransit,jacobpovar/MassTransit