* Fix lint errors with new build tools
* Move copyright so it doesn't get marked as a heading
I beleive Istio removed copyrights so we could do a bigger clense
later.
This was noticed when investigating why errors are not causing the test to fail. It's not clear if this is related to the problem, but the existing logic was definitely atypical.
* test framework enhancement for multicluster doc test
* simplify multicluster test framework with setup=multicluster directive
* restore documentation comment