Bump BIRD and etcd role pins
Bump BIRD and etcd role pins

Pull in updated tags for the BIRD and etcd roles that include minor
bugfixes.

Diff for bird:
https://github.com/Logan2211/ansible-bird/compare/1.1...1.2

Diff for etcd:
https://github.com/Logan2211/ansible-etcd/compare/1.1...1.2

Change-Id: Iacefb4f2768a4b58af6a2c7565502f2ca4cacd79

yanyao/newton,yanyao/newton