net-misc/bird: 1.6.6 & 2.0.4 version bumps

net-misc/bird: 1.6.6 & 2.0.4 version bumps

New init script by Alarig Le Lay fixes bad behaviour for 2.x daemons,
by rewriting in a different style as suggested by Michael Orlitzky.
1.6.6 contains several bugfixes related to route propagation.
2.0.4 contains:
 * OSPF: DN-bit handling (RFC 4576)
 * Preferred route counters are back
 * Important BGP bugfix
 * Several bugfixes related to route propagation
 * Some minor bugfixes

Closes: https://bugs.gentoo.org/682628
Bug: https://bugs.gentoo.org/622334
Suggested-By: Michael Orlitzky <mjo@gentoo.org>
Tested-by: Alarig Le Lay <alarig@swordarmor.fr>
Signed-Off-By: Tony Vroon <chainsaw@gentoo.org>
Package-Manager: Portage-2.3.62, Repoman-2.3.11