gitweb: Support for snapshot
gitweb: Support for snapshot

This adds snapshort support in gitweb. To enable one need to
set gitweb.snapshot = true in the config file.
Signed-off-by: Aneesh Kumar K.V <f511f818e8a0748edef6b9ee378967da9ed0c78f@hp.com>
Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git