Zookeeper Manager Checkpoint.
MANATEE-188: Tests for the zookeeper manager.
MANATEE-188: Adding more zookeeper manager tests.
MANATEE-188: Adding more zookeeper manager tests (fixing ordering).
MANATEE-188: Adding more zookeeper manager tests (checking history after failed write).
MANATEE-188: Emit the cluster state first on reconnect.
MANATEE-188: Making zk manager host data an object.
MANATEE-188: Adding commentary to postgres mgr, removing unsafe read-only mode.
MANATEE-188: Adding state and state-backfill commands for migration.
MANATEE-188: Checkpoint refactoring manatee-adm for less code duplication and to use the cluster state.
MANATEE-188: Making zookeeper manager return/emit a list of structures.
MANATEE-188: Making zookeeper manager return/emit a list of structures (removing test object toStrings).
MANATEE-188: s/asyncs/async/
MANATEE-188: New PostgresMgr interface on old code, simple repl.
MANATEE-188: Removing old code.
MANATEE-188: Making old pg interfaces "private".
MANATEE-188: Emitting not online at init time.
MANATEE-188: xlog doesnt work for primary.
MANATEE-188: Errors to verrors in postgres manager.
MANATEE-188: PostgresMgr taking peer id structs on reconfigure.