KeyValueStore del should not err if value doesn't exist.
Remove unneeded replica kill switches.
Add delete support to master. Test and fix bug if crash after deleting temp data.
Start recovery for Master.
Prefix temp data with transaction id.
Fix test robustness around killing processes.
Fix but in client generator with param checking.
Plumb through master kill switch.
Flesh out delete in master. Clean up Test methods on client.
Add test for Del.
Update rpc client to restart connection if net.OpError.
Add failure hooks and tests for Master.