Willian Carvalho

This PR introduces a new public `instana.ShutdownSensor()` function, responsible for cleaning up the internal global sensor reference. This is the first phase of a two phase refactoring. ### Why Although...

removed sensor startup on tests; commented a few tests not passing wi…

The Go app dispatcher now uses our own Instana RabbitMQ instrumentation, other than the manual instrumentation. This means that the traces are properly displayed in the UI. The Internal spans...