Imports of package alarm

PathSynopsis
github.com/coreos/etcd/etcdserver/etcdserverpbPackage etcdserverpb is a generated protocol buffer package.
github.com/coreos/etcd/mvcc/backend
github.com/coreos/etcd/pkg/typesPackage types declares various data types and implements type-checking functions.
github.com/coreos/pkg/capnslog
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.