New year, new copyright, new expected unknown issues with various files
that won't be covered by the script and/or will be but shouldn't change.
I'll do the details on Jan 1, but would appreciate this being
preapproved so I can actually get it merged by then.
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* Make use of nameOf for naming telemetry traces in participant-integration-api
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* Add copyright header to Telemetry.scala
* Add a simple nameof macro lib which has one function to return the fqn of the current method
* Make use of the new nameof lib within the repo to shorten the code further
* Remove old dependency on nameof macro
* Readd lines which have been accidentally removed
