* === added directory peer, peer/peer.go:
  - Add reconciliation peer. LP: #1044767
* errors.go, hkp_types.go, mgo/worker.go, mgo/worker_test.go,
  server.go, worker.go:
  - Add op=hget. LP: #1044767
  - Remove unreachable panics, not needed for Go 1.1.