* Rethrow original concurrent index creation failure message
* Alter test outputs for concurrent index creation
* Detect duplicate table failure in concurrent index creation
* Add test for conc. index creation w/out duplicates
- mitmdump now listens on port 9060
- Add some logging to fluent.py, making issues like this easier to debug in the future
- Fail the tests if something is already running on the port mitmProxy tries to use
- check-failure now works with VPATH builds