Log Message:
sneaking in an update for a quite leafy package :)

- remove patches/patch-bv since if you use gmake it's for a generated file,
  even if the original tar contains it (and the diff grows rather large due
  to differing yacc versions)
- add irrd-cache-usage-patch by Hagen Boehm <hboehm@brutus.NIC.DTAG.DE>
- add JunOS @RtConfig import patch by Stan Barber <sob@academ.com>
- add IPv6 ACL list numbers patch by Timo Koehler <tkoehler@acm.org>