server2 + vs: fix shutdown by SIGTERM
support users db in memory
server2: send server config to listen
vs: debug
ArrayStream: stream an array like a mongo stream
ArrayCursor: an array based cursor like mongodb
ArrayCollection: array collection uses ArrayCursor
ArrayCursor: debug
filter password from requests in console log
replicator: don't use instanceof comparisons
server2 + vs: support replication from config file
split root and mocha tests into different dirs