test-mono: Teach script how to run the full collection of centum tests
test-mono: Do not overwrite existing logs while tests are running
test-mono: Keep centum test listing alongside logs
extract-centum-tests: Ignore System.{Design,Drawing} and System.Web*
test-mono: Added convenience --mono-all flag, runs all known mono/ tests
test-mono: Only create centum test list when it doesn't exist
extract-centum-tests: Do not blacklist System.Web.Services
test-mono: Prepend some machine/OS identification data to logs