[#6388] separate out timermiddleware logging into stats.log
[#6388] add logging stub for Timermiddleware verbose logging
[#6388] remove unused main_without_authn (was part of TG quickstart)
[#6388] always load test.ini from the Allura/ dir

This allows us to not duplicate test.ini in every dir (any local
changes required should be accomplished via mocks).

We can also can run functional tests from any directory now.
[#6388] simple call count script
[#6388] remove unneeded special nbhd handling for tests

The special config tweaking inspired the creation of patch_middleware_config
but turned out to be all unneeded; tests pass without all this.
[#6388] start capturing verbose logging in perf script