Trim the UUID off the SVN committer.

Also update the SVN author.
Do a mirror clone so we can update.
Escape the argument so we only re-write one branch.
Remove useless files.
Fail if anything goes wrong.
Added script to update local repos.
Ignore the conversion folder.
Re-write the authors as part of the update.
Samigo is in the correct folder now.
Don’t attempt to remove the redundant files.

This was dropping files which is a big problem.