Fixes for dir syncing in raft leader mode
Fix for duplicate vote responses
New event log format including term and type
Fix on linux, remove a debug printf
Use same election timeout always

In particular, we wait at least 150ms after starting up before declaring
an election, to give the old leader a chance to send us a heartbeat.
Start ent_w at 1

Also, increment our sequence numbers if we have to.
Disable ^W for now