annex.version is not set, or vice-versa.
* Avoid autoinit when a repo does not have annex.version or annex.uuid
set, but has a git-annex objects directory, suggesting it was used
- by git-annex before.
+ by git-annex before, and the git config may have been lost.
* Fix reversion in 8.20201116 that made include= and exclude= in
preferred/required content expressions match a path relative to the
current directory, rather than the path from the top of the repository.