remove n from LeaseExpired
remove slave_waiting_for_prepare state, extend slave_steady_state to handle the appropriate Naks
sleep a little longer for the lease expiration on slaves
don't pass n to start_lease_expiration_thread
always keep lease_expirations flowing + don't need the 'slave' argument
track lease_expiration loops with an id, allowing them to stop when a new one is started
fix
optimize lease_expiration threads
give test_drop_master_with_load a bit more time to accommodate less aggressive slaves
make sure the failure detector really stops when running 'single' test suite
Merge pull request #267 from Incubaid/fix-masterless-cluster

Fix masterless cluster