Add base URL to hgwebdir templater (fixes index page when the URL does not have a trailing /)
Revert changeset
c67920d78248.
It breaks 'hg merge && hg up -c REV' when files exist only in one of the
manifests, making hg throw a traceback like:
fix bash completion of debug commands; add test for debugcomplete
The debugconfig -> showconfig renaming broke things.