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>
Ancestors of 5
4 2 0
Ancestors of 6 and 5
3 4 2 1 0
Ancestors of 5 and 4
4 2 0
Descendants of 5
7 8
Descendants of 5 and 3
6 7 8
Descendants of 5 and 4
5 7 8