remove build configs that did nothing

- GatherDir.exclude_match only works on base filenames, not directories
- Gatherdir.include_dotfiles defaults to false
- there is no MANIFEST.SKIP file for [ManifestSkip] to process
fix typo causing test to not be gathered
remove unused imports
dramatically speed up builds in uncleaned directories by not gathering old build dirs and their contents
whitespace
[EOLTests] is now deprecated
bump version to 2.1305