instaweb: load Apache mime and dir modules if they are needed
instaweb: load Apache mime and dir modules if they are needed

I've noticed that Apache 2.2 on a Debian etch machine has
these compiled as modules.

Also set ServerName to avoid a warning at startup.

Signed-off-by: Eric Wong <8c2951295f8292b0c03727bc4652981172298eae@yhbt.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