gitweb: Use rev-list pattern search options.
gitweb: Use rev-list pattern search options.

Use rev-list pattern search options instead of hand coded perl.

Signed-off-by: Robert Fitzsimons <313a8c2711273f8eaf8175c9680d4eac1a4b53aa@273k.net>
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