Log Message:
(pkgsrc)
 - Add comment on patches, by picking from cvs log
(upstream)
 - Update bird and bird6 from 1.3.11 to 1.4.5
----------------------
Version 1.4.5 (2014-10-06)
  o New 'show route noexport' command option.
  o Port option for BGP sessions.
  o Better constant handling in set literals.
  o Better rate filtering of log messages.
  o Several minor bugfixes.

Version 1.4.4 (2014-07-09)
  o Extended OSPF multipath support.
  o Default router preference for RAdv.
  o Significant changes in socket layer.
  o Important bugfix in BGP.
  o Several minor bugfixes.

Version 1.4.3 (2014-04-14)
  o Important bugfix in IPv6 BGP.

Version 1.4.2 (2014-04-02)
  o Important bugfix in BFD.

Version 1.4.1 (2014-03-31)
  o BGP add-path support (RFC draft).
  o BGP graceful restart (RFC 4724).
  o OSPF: many changes in socket layer.
  o OSPF: support for secondary addresses in BSD.
  o OSPF: names for vlink pseudointerfaces (vlinkX).
  o Several bugfixes.

Version 1.4.0 (2013-11-25)
  o BFD protocol (RFC 5880).
  o BFD support for OSPF and BGP.
  o New 'allow local as' option for BGP.
  o Filters allows setting gw, ifname and ifindex.
  o Filter operator 'delete/filter' extended to bgp_paths.
  o Filter operator 'len' extended to [e]clists.
  o BIRD client now allows shorthands for noninteractive commands.
  o Flag -P for PID file support.
  o Flag -f added to force BIRD to run in foreground.
  o Protocol export/import/receive limits are checked during reconfiguration.
  o Several bugfixes and minor improvements.
  o Several minor but incompatible changes:
     - IBGP is multihop by default.
     - Changes primary address selection on BSD to the first one.
     - Integers in filters are handled as unsigned.
     - ISO 8601 time formats used by default.
     - Import of device routes from kernel protocol allowed.
     - Last state change now tracks just protocol state change.
     - Minor changes to default router ID calculation.