hgweb: support for deny_read/allow_read options
reimplementation of a patch provided by Nilton Volpato.
Folded into a single patch by Thomas Arendsen Hein.
#!/bin/shhg initecho This is file a1 > ahg add ahg commit -m "commit #0" -d "1000000 0"touch bhg add brm bhg commit -A -m"comment #1" -d "1000000 0"