hgweb: extend [paths] syntax to match repositories recursively (issue852)
This feature somehow duplicates [collections] but it is simpler to use and has
less issues under Windows where using absolute path as configuration file key
is not supported.
Suggested by Dirkjan Ochtman <dirkjan@ochtman.nl>
abort: index 00changelog.i unknown format 2!
abort: requirement 'indoor-pool' not supported!