fix(etcd-client): Remove defunct etcd-client ebuilds
fix(etcd-lib): Remove defunct etcd-lib ebuilds
bump(etcd): Upgrade etcd and etcdctl to v0.3.0

Additionally, use the correct bin-path to pull in the
etcd and etcdctl binaries.
fix(etcd): Use go1.2 in etcd and etcdctl ebuilds
Merge pull request #342 from bcwaldon/etcd-v0.3.0

Bump etcd to v0.3.0